Automatic teller machines (ATMs) are stocked with cash to meet the cash needs of

Question

Automatic teller machines (ATMs) are stocked with cash to meet the cash needs of customers. Assume that an average withdrawal amount is $100. Suppose you took a sample of 81 withdrawals and found that the average is $105.2753 and a standard deviation is $20.
If you wish to know if the average withdrawal amount is still the same, your null and alternative hypothesis would be
A. H0: M= 105.2753 vs. H1: M does not equal $105.2753 B. H0: M = 100 vs. H1: M does not equal 100 C. H0: M is less than or equal to 100 vs. H1: M is greater than 100 D. H0: M is greater than or equal to 100 vs. H1: M is less than 100 E. Either c or D

Automatic teller machines (ATMs) are stocked with cash to meet the cash needs of customers. Assume that an average withdrawal amount is $100. Suppose you took a sample of 81 withdrawals and found that the average is $105.2753 and a standard deviation is $20.
If you wish to know if the average withdrawal amount is still the same, your null and alternative hypothesis would be
A. H0: M= 105.2753 vs. H1: M does not equal $105.2753 B. H0: M = 100 vs. H1: M does not equal 100 C. H0: M is less than or equal to 100 vs. H1: M is greater than 100 D. H0: M is greater than or equal to 100 vs. H1: M is less than 100 E. Either c or D


If you wish to know if the average withdrawal amount is still the same, your null and alternative hypothesis would be
A. H0: M= 105.2753 vs. H1: M does not equal $105.2753 B. H0: M = 100 vs. H1: M does not equal 100 C. H0: M is less than or equal to 100 vs. H1: M is greater than 100 D. H0: M is greater than or equal to 100 vs. H1: M is less than 100 E. Either c or D

Explanation / Answer

The correct option is Option-A)

        

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