Mathematics

Mathematics, 28.08.2019 19:20, keldrickking

Determine the type ii error if the null hypothesis, h0, is: researchers claim that 65% of college students will graduate with debt.

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Mathematics, 26.07.2019 15:00, skyvargasov9cad

Determine whether the claim stated below represents the null hypothesis or the alternative hypothesis. if a hypothesis test is performed, how should you interpret a decision that (a) rejects the null hypothesis or (b) fails to reject the null hypothesis? a researcher claims that the standard deviation of the life of a certain type of lawn mower is at least 2.8 years.

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Mathematics, 18.09.2019 01:00, sarahlearn3

Problem page big corporation advertises that its light bulbs have a mean lifetime, , of at least hours. suppose that we have reason to doubt this claim and decide to do a statistical test of the claim. we choose a random sample of light bulbs manufactured by big and find that the mean lifetime for this sample is hours and that the sample standard deviation of the lifetimes is hours. based on this information, answer the questions below. what are the null hypothesis () and the alternative hypothesis () that should be used for the test? : is : is in the context of this test, what is a type ii error? a type ii error is the hypothesis that is when, in fact, is . suppose that we decide not to reject the null hypothesis. what sort of error might we be making?

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Physics, 24.10.2019 18:43, Apple557

Which of the following is not a true statement about error in hypothesis testing? choose the correct answer below.a.the symbol alpharepresents the probability of a type i error.b.a type i error is making the mistake of rejecting the null hypothesis when it is actually true.c.a type ii error is making the mistake of failing to reject the null hypothesis when it is actually false.d.a type i error is making the mistake of rejecting the null hypothesis when it is actually false.

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