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State the null hypothesis and alternate hypothesis

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Two sided Hypothesis

1. Suppose the coffee industry claimed that the average adult drinks 1.7 cups of coffee per day.

S To test this claim, a random sample of 50 Coffee drinkers were selected and their average coffee consumption was found to be 2.0 cups per day. Assume the standard deviation of daily coffee consumption per day is 0.5 cups.

Using α = 0.10 test the Hypothesis Is the Coffee consumption differs from the average coffee consumption?

a. State the Null Hypothesis and alternate Hypothesis.

b. use the Z statistical model test the Hypothesis at 0.10 significance level and the p value.

c. Is the coffee industry's claim supported by this sample?

Reference no: EM132492407

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