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StatisticsQ&A LibrarySuppose a simple random sample of size n= 49 is obtained from a population with u = 81 and o = 21.(a) Describe the sampling distribution of x.(b) What is P (x> 86.4)?(c) What is P (xs74.4)?(d) What is P (77.55 86.4)?(c) What is P (xs74.4)?(d) What is P (77.55 86.4) =(Round to four decimal places as needed.)(c) P (xs74.4) =(Round to four decimal places as needed.)%3D(d) P (77.55Question

Asked Dec 13, 2019

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Step 1

According to the provided information,

Step 2

A)

The sampling distribution of mean can be calculated as:

Step 3

B)

The required probability ca...

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