question_answer Q: An airline company is interested in improving customer satisfaction rate from the 75% currently…A: Click to see the answer


CHALLENGE
ACTIVITY
403984.1980994.qx3zqy7
4.6.3: Hypothesis test for a population proportion.
Jump to level 1
An airline company is interested in improving customer satisfaction rate from the
75% currently claimed. The company sponsored a survey of 249 customers and
found that 196 customers were satisfied.
What is the test statistic z? Ex: 2.22=
What is the p-value? Ex: 0.123
Does sufficient evidence exist that the customer satisfaction rate is higher than the
claim by the company at a significance level of a = 0.01? Select
N
2
3
Check
Next
✩
Feedback?
N
3
expand button
Transcribed Image Text:CHALLENGE
ACTIVITY
403984.1980994.qx3zqy7
4.6.3: Hypothesis test for a population proportion.
Jump to level 1
An airline company is interested in improving customer satisfaction rate from the
75% currently claimed. The company sponsored a survey of 249 customers and
found that 196 customers were satisfied.
What is the test statistic z? Ex: 2.22=
What is the p-value? Ex: 0.123
Does sufficient evidence exist that the customer satisfaction rate is higher than the
claim by the company at a significance level of a = 0.01? Select
N
2
3
Check
Next

Feedback?
N
3
question_answer Q: An airline company is interested in improving customer satisfaction rate from the 75% currently…A: Click to see the answer


CHALLENGE
ACTIVITY
403984.1980994.qx3zqy7
4.6.3: Hypothesis test for a population proportion.
Jump to level 1
An airline company is interested in improving customer satisfaction rate from the
75% currently claimed. The company sponsored a survey of 249 customers and
found that 196 customers were satisfied.
What is the test statistic z? Ex: 2.22=
What is the p-value? Ex: 0.123
Does sufficient evidence exist that the customer satisfaction rate is higher than the
claim by the company at a significance level of a = 0.01? Select
N
2
3
Check
Next
✩
Feedback?
N
3
expand button
Transcribed Image Text:CHALLENGE
ACTIVITY
403984.1980994.qx3zqy7
4.6.3: Hypothesis test for a population proportion.
Jump to level 1
An airline company is interested in improving customer satisfaction rate from the
75% currently claimed. The company sponsored a survey of 249 customers and
found that 196 customers were satisfied.
What is the test statistic z? Ex: 2.22=
What is the p-value? Ex: 0.123
Does sufficient evidence exist that the customer satisfaction rate is higher than the
claim by the company at a significance level of a = 0.01? Select
N
2
3
Check
Next

Feedback?
N
3

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