1 answer

3 vuCun. Pu von Complee) 15 Tesl. I pes p... The population mean and standard deviation...

Question:

3 vuCun. Pu von Complee) 15 Tesl. I pes p... The population mean and standard deviation are given below. Find the required pr
3 vuCun. Pu von Complee) 15 Tesl. I pes p... The population mean and standard deviation are given below. Find the required probability and determine whether the given sample mean would be considered unusual. For a sample of n = 68, find the probability of a sample mean being less than 21.2 if u = 21 and o = 1.16. B B Click the icon to view page 1 of the standard normal table. Click the icon to view page 2 of the standard normal table. For a sample of n = 68, the probability of a sample mean being less than 21.2 if u = 21 and o = 1.16 is (Round to four decimal places as needed.) Would the given sample mean be considered unusual? ents be considered unusual because it has a probability that is The sample mean than 5% sour cess Enter your answer in the answer box. cess 34 Library e here to search

Answers

n=68, el=21, o=1.16 PLXL 21.2)=P(x-ll, 21.2-21) Torun 1.16/168 = P(Z < 1.2224) = 1- P(Z > 1.4224) - - 0.07780 PCX<21.2) l 0.9

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