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# The head of Marketing at American Expresso interested in determining whether the average income of its credit card holders has increased over the past 14 years. Whe...

## Question

###### The head of Marketing at American Expresso interested in determining whether the average income of its credit card holders has increased over the past 14 years. When the credit cards were first marketed_ the mean income of all card holders was equal s60,000 per annum_ The results of the corresponding hypothesis test that was carried out are shown here_AMERICANahm teeEXPRESSO INCOME TESTAccording to the hypothesis test results_ is most reasonable to conclude that:approximately 99.09% of American

The head of Marketing at American Expresso interested in determining whether the average income of its credit card holders has increased over the past 14 years. When the credit cards were first marketed_ the mean income of all card holders was equal s60,000 per annum_ The results of the corresponding hypothesis test that was carried out are shown here_ AMERICAN ahm tee EXPRESSO INCOME TEST According to the hypothesis test results_ is most reasonable to conclude that: approximately 99.09% of American Expresso credit card holders have an income greater than 560,000 per annum there is evidence supporting the hypothesis that the mean income of American Expresso credit card holders is now greater than $60,000 per annum there is 99.090 chance that the mean income of American Expresso credit card holders is now greater than 560,000 per annum the mean income of American Expresso credit card holders is now greater than$60,000 per annum Ho: p Ha: / s60,000 per annum 560,000 per annum 0.05 562,463 per annum 57,000 per annum 2.36 0.0091 P-value Outcome: REJECT THE NULL

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