Hypothesis testing and confidence intervals

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Reference no: EM13674250

HYPOTHESIS TESTING AND CONFIDENCE INTERVALS, Your manager has speculated the following.
a. The average (mean) annual income was greater than $45,000.
b. The true population proportion of customers who live in a suburban area is less than 45%.
c. The average (mean) number of years lived in the current home is greater than 8 years.
d. The average (mean) credit balance for rural customers is less than $3,200.

Reference no: EM13674250

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