Copy machine use the average number of pages a person copies

Copy Machine Use A store manager  hypothesizes that the average number of pages a person copies on

the store’s copy machine is less than 40. A sample of 50 customers’ orders is selected. At = 0.01, is there enough evidence to support the claim? Use the P-value hypothesis-testing method. Assume = 30.9.

 

 

 

2

2

2

5

32

5

29

8

2

49

21

1

24

72

70

21

85

61

8

42

3

15

27

113

36

37

5

3

58

82

9

2

1

6

9

80

9

51

2

122

21

49

36

43

61

3

17

17

4

1

 

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