Section 11.7 Exercise 17-T Ques 14 38 37 34 D A store owner surveyed 25 randomly…

Section 11.7 Exercise 17-T Ques 14 38 37 34 D A store owner surveyed 25 randomly selected customers and found the ages shown (in years). The mean is 28.72 and the standard devlation is 10.20. The 7 18 22 know if the mean age of all customers is 33 vears old, Use the given information to complete parts a through f. 34 15 22 owner wants 38 28 24 16 32 31 39 38 20 35 15 40 26 42 13 a) What Is the hypothesis? Hoi (Type an integer ra decimal.)

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