Fill in the blank. A 95% confidence interval for mu is (1, 0, 2, 0). Based on th

Question

Fill in the blank. A 95% confidence interval for mu is (1, 0, 2, 0). Based on the data from this confidence interval was constructed, someone wants to test HO: mu = 2.5 versus H_ mu = 2.5 The p-value will be ___ i. Greater than .05 ii. Less than .05 iii. Equal to .05 A particular type of gasoline claimed to have a mean octane rating greater than 90% denote the true mean octane level. A test is made of the following hypotheses. HO: mi lessthanorequalto 30 versus H_ : mu> 90 For each of the following situations determine whether the decision was correct, occurred, or a type error occurred. The claim is false, and HO is rejected. The claim is true, and HO is accepted The claim is true, and HO rejected. The claim is false, and HO is accepted.

Explanation / Answer

8)

Since, 2.5 is found outside the 95% CI of 1.0,2.0 therefore, it is very improbable to find the value 2.5 in the range of (1,2).

Hence, p value will be less than .05

B is right answer

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