Mathematics, 25.11.2021 06:00 isalita
The State Farm Insurance Company boasts that 90% of its customers who make claims are satisfied with the service. To check the accuracy of this declaration, the company conducts a survey wherein customers are asked whether they were satisfied with the quality of service. 153 were satisfied and 24 were not satisfied. Can we infer at the 5% level of significance that the satisfaction rate is less than 90%? (Use 4 decimal places in your initial work for this problem.)
1.a. Is the test statistic for this test Z or t?
1.b. What is the value of the test statistic of the test? ( Enter 0 if this value cannot be determined with the given information.)
1.c. What is the pvalue of the test? (Enter 0 if this value cannot be determined with the given information.)
1.d. What is the relevant bound of the rejection region? (Enter 0 if this value cannot be determined with the given information.)
1.e.
What decision should be made?
a. Do not reject the null hypothesis
b. Can not be determined from given information
c. Reject the null hypothesis
d. Accept the null hypothesis
Answers: 1
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The State Farm Insurance Company boasts that 90% of its customers who make claims are satisfied with...
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