A mail-order catalog claims customers will receive their product within 4 days of ordering. A costumer...
A mail-order catalog claims customers will receive their product within 4 days of ordering. A costumer believes that it takes more than 4 days to receive the product. State the appropriate null and alternative hypothesis to be tested by the costumer. Let m = average number of days until the product is received.
A. H0: m=4, Ha = m < 4
B. H0: m = 4, Ha = m > 4
Homework Answers
solution
this is the right tailed test .
The null and alternative hypothesis is ,
H0 : m = 4
Ha : m >4
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