The CEO of a large computer company claims that 80 percent of his customers are "very satisfied" with the customer service they receive. To test this claim, the researcher surveyed 100 customers and 75 of them stated they are "very satisfied. Based on these findings, can we reject the CEO's hypothesis that 80% of the customers are very satisfied? Match the following steps in hypothesis testing. -Step 1 ✓ Step 2 Step 3 ✓ Step 4 ✓ Step 5 Step 6 - A. a 0.05 B. z* = 1.25 C-z* = -1.25 D. Ho: p > 0.8 Ha: p=0.8 E. p-value = 0.2112 F. There is not enough evidence in the data to suggest the population proportion of customers who are "very satisfied" is not equal to 80%. G. Ho: p = 0.8 H₂:p<0.8 H. We fail to reject the null hypothesis. 1. Ho: p=0.8 Ha: p > 0.8 J. Ho: p < 0.8 H₂: p=0.8 K. We reject the null hypothesis. L. Ho: p* 0.8 Ha: p=0.8 M. There is enough evidence in the data to suggest the population proportion of customers who are "very satisfied" is not equal to 80%. N. Ho: p=0.8 H₂:p # 0.8 O. p-value = 0.1056 P. a = 0.10

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Author:Sheldon Ross
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The CEO of a large computer company claims that 80 percent of his customers are "very satisfied" with the customer service they receive. To test this claim, the researcher surveyed 100 customers and 75 of them stated they are "very satisfied. Based on these findings, can
we reject the CEO's hypothesis that 80% of the customers are very satisfied?
Match the following steps in hypothesis testing.
-Step 1
✓ Step 2
Step 3
✓ Step 4
✓ Step 5
Step 6
-
A. a 0.05
B. z* = 1.25
C-z* = -1.25
D. Ho: p > 0.8
Ha: p=0.8
E. p-value = 0.2112
F. There is not enough evidence in the data to suggest the population proportion of customers who are "very satisfied" is not equal to
80%.
G. Ho: p = 0.8
H₂:p<0.8
H. We fail to reject the null hypothesis.
1. Ho: p=0.8
Ha: p > 0.8
J. Ho: p < 0.8
H₂: p=0.8
K. We reject the null hypothesis.
L. Ho: p* 0.8
Ha: p=0.8
M. There is enough evidence in the data to suggest the population proportion of customers who are "very satisfied" is not equal to 80%.
N. Ho: p=0.8
H₂:p # 0.8
O. p-value = 0.1056
P. a = 0.10
Transcribed Image Text:The CEO of a large computer company claims that 80 percent of his customers are "very satisfied" with the customer service they receive. To test this claim, the researcher surveyed 100 customers and 75 of them stated they are "very satisfied. Based on these findings, can we reject the CEO's hypothesis that 80% of the customers are very satisfied? Match the following steps in hypothesis testing. -Step 1 ✓ Step 2 Step 3 ✓ Step 4 ✓ Step 5 Step 6 - A. a 0.05 B. z* = 1.25 C-z* = -1.25 D. Ho: p > 0.8 Ha: p=0.8 E. p-value = 0.2112 F. There is not enough evidence in the data to suggest the population proportion of customers who are "very satisfied" is not equal to 80%. G. Ho: p = 0.8 H₂:p<0.8 H. We fail to reject the null hypothesis. 1. Ho: p=0.8 Ha: p > 0.8 J. Ho: p < 0.8 H₂: p=0.8 K. We reject the null hypothesis. L. Ho: p* 0.8 Ha: p=0.8 M. There is enough evidence in the data to suggest the population proportion of customers who are "very satisfied" is not equal to 80%. N. Ho: p=0.8 H₂:p # 0.8 O. p-value = 0.1056 P. a = 0.10
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