.The amount of force needed to slice identical logs are to be measured 36 times under identical conditions, and the sample mean is to be calculated. The population of force requirements has a mean of 27.8 and a standard deviation of 1.85. Calculate the probability that the sample mean will be greater than 27.5. (round to 4.d.p) 1b. The amount of force needed to slice identical logs are to be measured under identical conditions, and the sample mean is to be calculated. The population of force requirements has a mean of 27.8 and a standard deviation of 1.85. How many measurements are needed to make sure the standard deviation of sample means is less than 0.25? Round up to subsequent whole number

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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1.The amount of force needed to slice identical logs are to be measured 36 times under identical conditions, and the sample mean is to be calculated. The population of force requirements has a mean of 27.8 and a standard deviation of 1.85. Calculate the probability that the sample mean will be greater than 27.5. (round to 4.d.p)

1b. The amount of force needed to slice identical logs are to be measured under identical conditions, and the sample mean is to be calculated. The population of force requirements has a mean of 27.8 and a standard deviation of 1.85. How many measurements are needed to make sure the standard deviation of sample means is less than 0.25? Round up to subsequent whole number.

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