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5.6-8. Let X equal the weight in grams of a miniature candy bar. Assume that u Var(X) = 2.20. Let X be the sample mean of a random sample of n = 30 candy bars. Find (4) E(X). (b) Var(X). (c) P(24.17< X < 24.82), approximately, = E(X) = 24.43 and o? %3D %3D

5.6-8. Let X equal the weight in grams of a miniature candy bar. Assume that u Var(X) = 2.20. Let X be the sample mean of a random sample of n = 30 candy bars. Find (4) E(X). (b) Var(X). (c) P(24.17< X < 24.82), approximately, = E(X) = 24.43 and o? %3D %3D

A First Course in Probability (10th Edition)
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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5.6-8

5.6-7. Let X equal the of a human . Let X equal the maximal oxygen intake of a human 5.0-admill, where the measurements are in milliliters oven per minute per kilogram of weight. Assume for a particular population, the mean of X is u 030 and the standard deviation is a ihe sample mean of a random sample of size n = 47. Find PI52.761 < X < 54.453), approximately. %3D = 5.8. Let X be 5.6-8. Let X equal the weight in grams of a miniature candy bar. Assume that u = E(X) Var(X) = 2.20. Let X be the sample mean of a random sample of n = 30 candy bars. Find (a) E(X). (b) Var(X). (c) P(24.17 < X < 24.82), approximately. 24.43 and o2 %3D %3D %3D %3%D 5.6-9. In Example 5.6-4, with n = 4, compute P(1.7 < 2) and compare your answer with the normal approximation of this probability. o-10. Let X and Y equal the respective numbers of toona randomly selected child watches movies or car- it is ko V during a certain month. From experience, Varown that E(X) = 30, E(Y) = 50, Var(X) = are selected =D14. Twenty-five children at 10
Transcribed Image Text:5.6-7. Let X equal the of a human . Let X equal the maximal oxygen intake of a human 5.0-admill, where the measurements are in milliliters oven per minute per kilogram of weight. Assume for a particular population, the mean of X is u 030 and the standard deviation is a ihe sample mean of a random sample of size n = 47. Find PI52.761 < X < 54.453), approximately. %3D = 5.8. Let X be 5.6-8. Let X equal the weight in grams of a miniature candy bar. Assume that u = E(X) Var(X) = 2.20. Let X be the sample mean of a random sample of n = 30 candy bars. Find (a) E(X). (b) Var(X). (c) P(24.17 < X < 24.82), approximately. 24.43 and o2 %3D %3D %3D %3%D 5.6-9. In Example 5.6-4, with n = 4, compute P(1.7 < 2) and compare your answer with the normal approximation of this probability. o-10. Let X and Y equal the respective numbers of toona randomly selected child watches movies or car- it is ko V during a certain month. From experience, Varown that E(X) = 30, E(Y) = 50, Var(X) = are selected =D14. Twenty-five children at 10
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