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3) The weights of adult black squirrels are known to be normally distributed with mean, and standard deviation -0.12 Ibs. A random sample of nine black squirrels gave their average weight to be 0.7s Ibs. It is hypothesized that due to various reasons the black squirrels are becoming heavier. If the null hypothesis is 6:s075 lbs, versus N> 075 find the p-value he following "answers have been proposed. By consulting a standard normal table, the p-value is

3) The weights of adult black squirrels are known to be normally distributed with mean, and standard deviation -0.12 Ibs. A random sample of nine black squirrels gave their average weight to be 0.7s Ibs. It is hypothesized that due to various reasons the black squirrels are becoming heavier. If the null hypothesis is 6:s075 lbs, versus N> 075 find the p-value he following "answers have been proposed. By consulting a standard normal table, the p-value is

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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(3) The weights of adult black squirrels are known to be normally distributed with mean µ and standard deviation o = 0.12 lbs. A random sample of nine black squirrels gave their average weight to be o.78 lbs. It is hypothesized that due to various reasons the black squirrels are becoming heavier. If the null hypothesis is Ho : H s 0.75 lbs, versus H1 : µ > 0.75 find the p-value The following``answers" have been proposed. (a) By consulting a standard normal table, the p-value is sup P(X9 2 0.78) = P(Z > 1.645) = 0.05. HS0.75 (b) By consulting a standard normal table, the p-value is sup P(X9 2 0.78) = P(Z > 1.00) = 0.1587. HS0.75 (c) By consulting a standard normal table, the p-value is sup P(X9 2 0.78) = P(Z > 0.75) = 0.2266. µ<0.75 (d) By consulting a standard normal table, the p-value is sup P(X9 2 0.78) = P(Z > 0.50) = 0.3085. µ<0.75 (e) None of the above The correct answer is (a) (b) (d) N/A (Select One)
Transcribed Image Text:(3) The weights of adult black squirrels are known to be normally distributed with mean µ and standard deviation o = 0.12 lbs. A random sample of nine black squirrels gave their average weight to be o.78 lbs. It is hypothesized that due to various reasons the black squirrels are becoming heavier. If the null hypothesis is Ho : H s 0.75 lbs, versus H1 : µ > 0.75 find the p-value The following``answers" have been proposed. (a) By consulting a standard normal table, the p-value is sup P(X9 2 0.78) = P(Z > 1.645) = 0.05. HS0.75 (b) By consulting a standard normal table, the p-value is sup P(X9 2 0.78) = P(Z > 1.00) = 0.1587. HS0.75 (c) By consulting a standard normal table, the p-value is sup P(X9 2 0.78) = P(Z > 0.75) = 0.2266. µ<0.75 (d) By consulting a standard normal table, the p-value is sup P(X9 2 0.78) = P(Z > 0.50) = 0.3085. µ<0.75 (e) None of the above The correct answer is (a) (b) (d) N/A (Select One)
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