Mathway | Problemas populares

Problemas populares

Classificação	Tópico	Problema	Problema formatado
2201	Encontre a Expetativa	table[[x,P(x)],[138,3],[171,2],[259,3],[311,6],[352,2]]	$\begin{array}{c} x & P (x) \\ 138 & 3 \\ 171 & 2 \\ 259 & 3 \\ 311 & 6 \\ 352 & 2 \end{array}$
2202	Encontre a Expetativa	table[[x,P(x)],[15,0.52],[16,0.25],[17,0.11],[18,0.10],[19,0.02]]	$\begin{array}{c} x & P (x) \\ 15 & 0.52 \\ 16 & 0.25 \\ 17 & 0.11 \\ 18 & 0.1 \\ 19 & 0.02 \end{array}$
2203	Encontre a Expetativa	table[[x,P(x)],[-3,15],[1,5],[3,30]]	$\begin{array}{c} x & P (x) \\ - 3 & 15 \\ 1 & 5 \\ 3 & 30 \end{array}$
2204	Encontre a Expetativa	table[[x,P(x)],[5,0.170],[4,0.184],[3,0.195],[2,0.146],[1,0.304]]	$\begin{array}{c} x & P (x) \\ 5 & 0.17 \\ 4 & 0.184 \\ 3 & 0.195 \\ 2 & 0.146 \\ 1 & 0.304 \end{array}$
2205	Encontre a Expetativa	table[[x,P(x)],[6,0.4],[10,0.3],[12,0.3]]	$\begin{array}{c} x & P (x) \\ 6 & 0.4 \\ 10 & 0.3 \\ 12 & 0.3 \end{array}$
2206	Encontre a Expetativa	table[[x,P(x)],[6,5],[3,12],[5,8],[2,10],[7,11]]	$\begin{array}{c} x & P (x) \\ 6 & 5 \\ 3 & 12 \\ 5 & 8 \\ 2 & 10 \\ 7 & 11 \end{array}$
2207	Encontre a Expetativa	table[[x,P(x)],[7,78],[6,67],[5,56],[4,45],[3,34]]	$\begin{array}{c} x & P (x) \\ 7 & 78 \\ 6 & 67 \\ 5 & 56 \\ 4 & 45 \\ 3 & 34 \end{array}$
2208	Encontre a Expetativa	table[[x,P(x)],[8,9],[9,7],[4,8],[1,6],[5,3]]	$\begin{array}{c} x & P (x) \\ 8 & 9 \\ 9 & 7 \\ 4 & 8 \\ 1 & 6 \\ 5 & 3 \end{array}$
2209	Encontre o Desvio Padrão	table[[x,P(x)],[0,22.59],[0.2,20.51],[0.4,19.06],[0.6,19.52],[0.8,21.81],[1,25.52],[1.2,30.01],[1.4,34.49],[1.6,38.19],[1.8,40.47],[2,40.93],[2.2,39.5],[2.4,36.41],[2.6,32.2],[2.8,27.62],[3,23.45],[3.2,20.41]]	$\begin{array}{c} x & P (x) \\ 0 & 22.59 \\ 0.2 & 20.51 \\ 0.4 & 19.06 \\ 0.6 & 19.52 \\ 0.8 & 21.81 \\ 1 & 25.52 \\ 1.2 & 30.01 \\ 1.4 & 34.49 \\ 1.6 & 38.19 \\ 1.8 & 40.47 \\ 2 & 40.93 \\ 2.2 & 39.5 \\ 2.4 & 36.41 \\ 2.6 & 32.2 \\ 2.8 & 27.62 \\ 3 & 23.45 \\ 3.2 & 20.41 \end{array}$
2210	Encontre o Desvio Padrão	table[[x,P(x)],[0,0.353],[1,0.237],[2,0.203],[3,0.113],[4,0.094],[5,0],[6,0]]	$\begin{array}{c} x & P (x) \\ 0 & 0.353 \\ 1 & 0.237 \\ 2 & 0.203 \\ 3 & 0.113 \\ 4 & 0.094 \\ 5 & 0 \\ 6 & 0 \end{array}$
2211	Encontre o Desvio Padrão	table[[x,P(x)],[0,0/15],[1,1/15],[2,2/15],[3,3/15],[4,4/15],[5,5/15]]	$\begin{array}{c} x & P (x) \\ 0 & \frac{0}{15} \\ 1 & \frac{1}{15} \\ 2 & \frac{2}{15} \\ 3 & \frac{3}{15} \\ 4 & \frac{4}{15} \\ 5 & \frac{5}{15} \end{array}$
2212	Encontre o Desvio Padrão	table[[x,P(x)],[0,20],[1,6],[2,11],[3,8],[4,3],[5,2]]	$\begin{array}{c} x & P (x) \\ 0 & 20 \\ 1 & 6 \\ 2 & 11 \\ 3 & 8 \\ 4 & 3 \\ 5 & 2 \end{array}$
2213	Encontre o Intervalo	8 , 4 , 23 , 42 , 78 , 138 , 229	$8$ , $4$ , $23$ , $42$ , $78$ , $138$ , $229$
2214	Encontre o Intervalo	81 , 95 , 114 , 122 , 128 , 135 , 172	$81$ , $95$ , $114$ , $122$ , $128$ , $135$ , $172$
2215	Encontre o Intervalo	811 , 783 , 936 , 919 , 574 , 888 , 851 , 837	$811$ , $783$ , $936$ , $919$ , $574$ , $888$ , $851$ , $837$
2216	Encontre o Intervalo	84.63 , 85.99 , 85.06 , 84.96 , 84.81 , 85.63 , 84.75 , 84.79 , 85.67	$84.63$ , $85.99$ , $85.06$ , $84.96$ , $84.81$ , $85.63$ , $84.75$ , $84.79$ , $85.67$
2217	Encontre o Intervalo	9 , 14 , 9 , 11 , 9 , 11	$9$ , $14$ , $9$ , $11$ , $9$ , $11$
2218	Encontre o Intervalo	9 , 15 , 15 , 10 , 11	$9$ , $15$ , $15$ , $10$ , $11$
2219	Encontre o Intervalo	9 , 3 , 1 , 1/3 , 1/9	$9$ , $3$ , $1$ , $\frac{1}{3}$ , $\frac{1}{9}$
2220	Encontre o Intervalo	90 , 70 , 64 , 76 , 115	$90$ , $70$ , $64$ , $76$ , $115$
2221	Encontre o Intervalo	92 , 89 , 84 , 72 , 59	$92$ , $89$ , $84$ , $72$ , $59$
2222	Encontre o Intervalo	96 , 114 , 128 , 131 , 142 , 147 , 194	$96$ , $114$ , $128$ , $131$ , $142$ , $147$ , $194$
2223	Encontre o Número de Possibilidades	50 escolha 4	${}_{50}C_{4}$
2224	Enncontre a Variância	4 , -20 , 10	$4$ , $- 20$ , $10$
2225	Enncontre a Variância	0 , 10 , -10 , 20 , -20	$0$ , $10$ , $- 10$ , $20$ , $- 20$
2226	Enncontre a Variância	0 , 8 , 4 , 6 , 7 , 3 , 7	$0$ , $8$ , $4$ , $6$ , $7$ , $3$ , $7$
2227	Enncontre a Variância	0.5 , 0.139 , 0.343 , 0.31 , 0.512 , 0.506 , 0.424	$0.5$ , $0.139$ , $0.343$ , $0.31$ , $0.512$ , $0.506$ , $0.424$
2228	Enncontre a Variância	0-49 , 50-99 , 100-149 , 150-199 , 200-249 , 250-299 , 300-349	$0 - 49$ , $50 - 99$ , $100 - 149$ , $150 - 199$ , $200 - 249$ , $250 - 299$ , $300 - 349$
2229	Enncontre a Variância	1 , 24	$1$ , $24$
2230	Enncontre a Variância	1 , 1 , 2 , 2 , 2 , 3 , 3 , 4 , 4 , 5	$1$ , $1$ , $2$ , $2$ , $2$ , $3$ , $3$ , $4$ , $4$ , $5$
2231	Enncontre a Variância	1 , 2 , 3 , 4 , 5 , 6 , 7 , 8	$1$ , $2$ , $3$ , $4$ , $5$ , $6$ , $7$ , $8$
2232	Enncontre a Variância	1.25 , 1.29 , 1.92 , 1.43 , 1.33 , 1.48 , 1.62 , 1.84 , 1.87 , 1.99 , 1.51 , 1.271 , 1.72 , 1.28 , 1.55	$1.25$ , $1.29$ , $1.92$ , $1.43$ , $1.33$ , $1.48$ , $1.62$ , $1.84$ , $1.87$ , $1.99$ , $1.51$ , $1.271$ , $1.72$ , $1.28$ , $1.55$
2233	Enncontre a Variância	1.50 , 1.00 , 1.50 , 1.25 , 1.50	$1.5$ , $1$ , $1.5$ , $1.25$ , $1.5$
2234	Enncontre a Variância	10 , 14 , 9 , 12 , 12	$10$ , $14$ , $9$ , $12$ , $12$
2235	Enncontre a Variância	10 , 2 , 6 , 8 , 6 , 8 , 6 , 6 , 4 , 6 , 6 , 4 , 6	$10$ , $2$ , $6$ , $8$ , $6$ , $8$ , $6$ , $6$ , $4$ , $6$ , $6$ , $4$ , $6$
2236	Enncontre a Variância	10 , 8 , 7 , 13 , 22	$10$ , $8$ , $7$ , $13$ , $22$
2237	Enncontre a Variância	11 , 8 , 5 , 11 , 20	$11$ , $8$ , $5$ , $11$ , $20$
2238	Enncontre a Variância	12 , 86 , 15 , 17 , 69 , 44	$12$ , $86$ , $15$ , $17$ , $69$ , $44$
2239	Enncontre a Variância	1201 , 326	$1201$ , $326$
2240	Enncontre a Variância	121 , 121 , 138 , 150 , 129 , 127	$121$ , $121$ , $138$ , $150$ , $129$ , $127$
2241	Enncontre a Variância	162 , 164 , 157 , 168 , 154 , 173 , 177	$162$ , $164$ , $157$ , $168$ , $154$ , $173$ , $177$
2242	Enncontre a Variância	1680 , 47 , 322 , 76 , 395	$1680$ , $47$ , $322$ , $76$ , $395$
2243	Enncontre a Variância	17 , 13 , 13 , 22 , 11 , 20	$17$ , $13$ , $13$ , $22$ , $11$ , $20$
2244	Enncontre a Variância	17 , 18 , 19 , 20 , 21	$17$ , $18$ , $19$ , $20$ , $21$
2245	Encontre a Média	0.00 , 0.04 , 0.12 , 0.18 , 0.48 , 1.10 , 1.80 , 0.84 , 0.40	$0$ , $0.04$ , $0.12$ , $0.18$ , $0.48$ , $1.1$ , $1.8$ , $0.84$ , $0.4$
2246	Encontre a Média	0.000 , 0.649 , 0.168 , 0.063 , 0.056 , 0.045	$0$ , $0.649$ , $0.168$ , $0.063$ , $0.056$ , $0.045$
2247	Encontre a Média	0-49 , 50-99 , 100-149 , 150-199 , 200-249 , 250-299 , 300-349	$0 - 49$ , $50 - 99$ , $100 - 149$ , $150 - 199$ , $200 - 249$ , $250 - 299$ , $300 - 349$
2248	Encontre a Média	1 , 2 , 1 , 3 , 2 , 1 , 9	$1$ , $2$ , $1$ , $3$ , $2$ , $1$ , $9$
2249	Encontre a Média	1 , 0*(1.05)^95	$1$ , $0 \cdot {(1.05)}^{95}$
2250	Encontre a Média	1 , 2 , 5 , 7-1 , 4 , 5	$1$ , $2$ , $5$ , $7 - 1$ , $4$ , $5$
2251	Encontre a Média	-1 , 3-5i	$- 1$ , $3 - 5 i$
2252	Encontre a Média	1.2 , 3.5 , 3.6 , 9.2 , 3.2 , 6.5 , 8.2 , 1.2	$1.2$ , $3.5$ , $3.6$ , $9.2$ , $3.2$ , $6.5$ , $8.2$ , $1.2$
2253	Encontre a Média	1.9 , 5.1 , 6.4 , 8.1 , 8.1 , 4.9 , 2.9 , 4.9	$1.9$ , $5.1$ , $6.4$ , $8.1$ , $8.1$ , $4.9$ , $2.9$ , $4.9$
2254	Encontre a Média	1.94 , 1.73 , 1.89 , 1.33 , 1.79 , 1.66 , 2.02 , 1.59 , 1.31 , 1.29 , 1.82 , 1.33 , 2.08 , 1.38 , 1.52 , 1.41	$1.94$ , $1.73$ , $1.89$ , $1.33$ , $1.79$ , $1.66$ , $2.02$ , $1.59$ , $1.31$ , $1.29$ , $1.82$ , $1.33$ , $2.08$ , $1.38$ , $1.52$ , $1.41$
2255	Encontre a Média	10 , 12 , 12 , 13 , 17 , 19 , 20	$10$ , $12$ , $12$ , $13$ , $17$ , $19$ , $20$
2256	Encontre a Média	10 , 14 , 14 , 23 , 38 , 45 , 50 , 60 , 68	$10$ , $14$ , $14$ , $23$ , $38$ , $45$ , $50$ , $60$ , $68$
2257	Encontre a Média	10 , 22 , 82 , 190 , 346	$10$ , $22$ , $82$ , $190$ , $346$
2258	Encontre a Média	100 , 122 , 143	$100$ , $122$ , $143$
2259	Encontre a Média	1008 , 1176 , 1227 , 1569 , 441 , 1512 , 531 , 1152 , 1077	$1008$ , $1176$ , $1227$ , $1569$ , $441$ , $1512$ , $531$ , $1152$ , $1077$
2260	Encontre a Média	102 , 211 , 116 , 102 , 575 , 610 , 592	$102$ , $211$ , $116$ , $102$ , $575$ , $610$ , $592$
2261	Encontre a Média	108 , 101 , 115 , 128 , 128	$108$ , $101$ , $115$ , $128$ , $128$
2262	Encontre a Média	11 , 12 , 10 , 15 , 14	$11$ , $12$ , $10$ , $15$ , $14$
2263	Encontre a Média	11 , 8 , 5 , 11 , 20	$11$ , $8$ , $5$ , $11$ , $20$
2264	Encontre a Média	1173 , 658 , 490 , 428 , 358 , 147 , 75 , 64 , 56 , 32	$1173$ , $658$ , $490$ , $428$ , $358$ , $147$ , $75$ , $64$ , $56$ , $32$
2265	Encontre a Média	12 , 13 , 14 , 15 , 16	$12$ , $13$ , $14$ , $15$ , $16$
2266	Encontre a Média	12 , 13 , 14 , 18 , 18	$12$ , $13$ , $14$ , $18$ , $18$
2267	Encontre a Média	121 , 121 , 211 , 211 , 265 , 265 , 265 , 265 , 296 , 296 , 296 , 323 , 323 , 323 , 395	$121$ , $121$ , $211$ , $211$ , $265$ , $265$ , $265$ , $265$ , $296$ , $296$ , $296$ , $323$ , $323$ , $323$ , $395$
2268	Encontre a Média	128 , 122 , 143 , 140 , 128 , 150 , 125 , 145 , 128 , 140 , 1222 , 139 , 135 , 128	$128$ , $122$ , $143$ , $140$ , $128$ , $150$ , $125$ , $145$ , $128$ , $140$ , $1222$ , $139$ , $135$ , $128$
2269	Encontre a Média	13 , 11 , 19 , 21 , 8 , 18 , 12	$13$ , $11$ , $19$ , $21$ , $8$ , $18$ , $12$
2270	Encontre a Média	13 , 11 , 5	$13$ , $11$ , $5$
2271	Encontre a Média	13 , 12 , 2 , 4 , 10 , 15 , 7 , 9	$13$ , $12$ , $2$ , $4$ , $10$ , $15$ , $7$ , $9$
2272	Encontre a Média	13 , 14 , 11 , 11 , 13 , 10	$13$ , $14$ , $11$ , $11$ , $13$ , $10$
2273	Encontre a Média	45 , 69 , 73 , 63 , 67 , 75 , 58 , 30	$45$ , $69$ , $73$ , $63$ , $67$ , $75$ , $58$ , $30$
2274	Encontre a Média	45 , 69 , 73 , 63 , 67 , 75 , 58 , 55	$45$ , $69$ , $73$ , $63$ , $67$ , $75$ , $58$ , $55$
2275	Encontre a Média	46 , 41 , 43 , 44 , 42 , 44 , 4 , 4	$46$ , $41$ , $43$ , $44$ , $42$ , $44$ , $4$ , $4$
2276	Encontre a Média	48 , 65 , 57 , 54 , 61 , 57 , 52 , 61 , 57	$48$ , $65$ , $57$ , $54$ , $61$ , $57$ , $52$ , $61$ , $57$
2277	Encontre a Média	5 , 15 , 7 , 7	$5$ , $15$ , $7$ , $7$
2278	Encontre a Média	5 , 17 , 8 , 13 , 19 , 15 , 10 , 18 , 16	$5$ , $17$ , $8$ , $13$ , $19$ , $15$ , $10$ , $18$ , $16$
2279	Encontre a Média	5 , 20 , 25 , 10 , 5 , 3	$5$ , $20$ , $25$ , $10$ , $5$ , $3$
2280	Encontre a Média	-5 , -6 , -2 , 11 , 37 , 80 , 144	$- 5$ , $- 6$ , $- 2$ , $11$ , $37$ , $80$ , $144$
2281	Encontre a Média	5 , 6 , 7 , 8 , 9	$5$ , $6$ , $7$ , $8$ , $9$
2282	Encontre a Média	5.6 , 10.8 , 18.2 , 32.7 , 12.8 , 8.7 , 10.8 , 16.7	$5.6$ , $10.8$ , $18.2$ , $32.7$ , $12.8$ , $8.7$ , $10.8$ , $16.7$
2283	Encontre a Média	5.8 , 7.8 , 1.8 , 3.2 , 9.3 , 5.7 , 6.8 , 7.5 , 2.6 , 2.4 , 4.4	$5.8$ , $7.8$ , $1.8$ , $3.2$ , $9.3$ , $5.7$ , $6.8$ , $7.5$ , $2.6$ , $2.4$ , $4.4$
2284	Encontre a Média	50 , 50 , 150 , 200 , 300	$50$ , $50$ , $150$ , $200$ , $300$
2285	Encontre a Média	54 , 40 , 19 , 25 , 54 , 42 , 81	$54$ , $40$ , $19$ , $25$ , $54$ , $42$ , $81$
2286	Encontre a Média	54 , 58 , 57 , 63	$54$ , $58$ , $57$ , $63$
2287	Encontre a Média	57 , 5 , 39	$57$ , $5$ , $39$
2288	Encontre a Média	6 , 10 , 18 , 24 , 22	$6$ , $10$ , $18$ , $24$ , $22$
2289	Encontre a Média	6 , 5 , 7 , 9 , 8 , 7	$6$ , $5$ , $7$ , $9$ , $8$ , $7$
2290	Encontre a Média	6 , 8 , 89 , 13 , 13 , 15 , 19 , 19	$6$ , $8$ , $89$ , $13$ , $13$ , $15$ , $19$ , $19$
2291	Encontre a Média	6852 , 4983 , 375 , 6712 , 9788 , 6702 , 5864 , 7389	$6852$ , $4983$ , $375$ , $6712$ , $9788$ , $6702$ , $5864$ , $7389$
2292	Encontre a Média	7 , 10 , 7 , 10 , 10 , 12 , 14	$7$ , $10$ , $7$ , $10$ , $10$ , $12$ , $14$
2293	Encontre a Média	7 , 8 , 10 , 16 , 21 , 25	$7$ , $8$ , $10$ , $16$ , $21$ , $25$
2294	Encontre a Média	70 , 75 , 80 , 70	$70$ , $75$ , $80$ , $70$
2295	Encontre a Média	70 , 75 , 80 , 70 , 75	$70$ , $75$ , $80$ , $70$ , $75$
2296	Encontre a Média	70 , 75 , 80 , 70 , 80	$70$ , $75$ , $80$ , $70$ , $80$
2297	Encontre a Média	72 , 61 , 64 , 58 , 63 , 75 , 72 , 81 , 64 , 72	$72$ , $61$ , $64$ , $58$ , $63$ , $75$ , $72$ , $81$ , $64$ , $72$
2298	Encontre a Média	75 , 130 , 145 , 150 , 225 , 225 , 300	$75$ , $130$ , $145$ , $150$ , $225$ , $225$ , $300$
2299	Encontre a Média	76 , 49 , 76 , 98 , 49	$76$ , $49$ , $76$ , $98$ , $49$
2300	Encontre a Média	76 , 66 , 65 , 75 , 68	$76$ , $66$ , $65$ , $75$ , $68$