Question

Research shows that Millenials check their phones, on average, 45 times per day. A sociologist believes that Millenials check their phones more than 45 times per day. If we would like to test the sociologist's claim with a hypothesis test using a significance level of a = 0.02 , which of the following choices are true? Select the correct answer below: There is a 2% chance we will conclude u > 45, but is in fact u = 45. There is a 2% chance we will conclude y = 45, but is in fact pe > 45. There is a 2% chance that he > 45. There is a 2% chance of rejecting the null hypothesis. evious

Answer 1

The significance level, also denoted as alpha or α, is the probability of rejecting the null hypothesis when it is true.

Therefore, 1st option is correct.

There is 2% chance we will conclude Mu > 45, in fact Mu = 45.

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