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Probability and StatisticsQuestion and Answers: Page 6 |
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In an examination, the probability of charles scoring the highest mark in Maths, Physics and Chemistry are 0.90, 0.75 and 0.80 respectively. Calculate the probability that he will get the highest mark in at least 3 subjects. |
Dans une PME, sont employes 6ouvriers 5 employes. le PDG souhaite prendre l′avis de son personnel. il interroge 7 personnes choisies au hasard parmi ces 11 personnes. soit X la variable aleatoire: “nombre d′ouvriers interroges” 1)quelles sont les valeurs prises par X 2)quelle est la loi de probabilite 3)calculons la probabilite d′interroger 4 ouvrier |
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Find the probability of obtaining a total of 10 with a throw of two dice if one die has been thrown and shows a 4 |
f(x)= { ((e^(−x^2 ) 0<x<∞)),((e^(−x^4 ) −∞<x<0 )) :} Find geometric mean of f(x) |
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∫_0 ^9 ((√x)/(1−x))dx=? |
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Given data : 1,3,3,5,5,5,5,8,9,10,10,12 find the value of quartile 1^(st) |
A population of 15 items. 4 red, 6 black and 5 green. a sample of 4 items are selected. what is the probability that the sample contains 3 black and 1 green? |
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probability question let T_(V ) be the volume of tetrahedron T that is in a cone C with volume C_V find P(T_V ≥ (1/8) C_V ) |
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In bottle manufacturing company, it was observed that 5% of the bottles manufactured were defective. In a random sample of 150 bottles, find probability that (a) exactly 3, (b) between 3 and 6, (c) at most 4, manufactured bottles are defective. [Take e = 2.718] |