![5. [10 points] How large a sample is necessary to estimate the average time to find a job for a dence and accurate to within /h a month of the actual mean. Assume that the time to find a job is normally distributed with a standard deviation of 1.8 months nnints] A random sample of 58 E-glass fiber test specimens of a certain type mean interfacial shear yield stress of 30.5 and a sample pg interfacial shear yield s](http://img.homeworklib.com/questions/d0ee7670-4e05-11eb-80e5-33a3c4d481ac.png?x-oss-process=image/resize,w_560)
Homework Answers
5)
Sample size = ( Z
/2
* 
/ E)2
= ( 2.5758 * 1.8 / 0.5)2
= 85.98
= 86 (Rounded up to nearest integer)
Sample size n = 86
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u
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