# Null and alternative hypothesis

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A manager of an electronics store wants to know if the average sales during the Christmas period is greater than $ 30,000 a week. The null hypothesis to be formulated to test hypothesis is:

The correct answer is

a) HI = 30.000 or

b) Ho = 30.000 or

c) Ho <30.000 or

d) Ho = 40.000

The correct answer for the alternative hypothesis is:

a) HI <30.000 or

b) HI> 30.000 or

c) Ho> 30.000 or

d) HI> 20.000

What is the significance level to set for test the hypotheses?

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The solution provides null and alternative hypothesis for a set of problems

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What is the significance level to set for test the hypotheses? ...

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