Question

Will the researcher reject the null​ hypothesis? A. Do not rejectDo not reject the null hypothesis because muμequals=35.135.1 million shares fallsfalls in the confidence interval. B. RejectReject the null hypothesis because muμequals=35.135.1 million shares does not falldoes not fall in the confidence interval. C. RejectReject the null hypothesis because muμequals=35.135.1 million shares fallsfalls in the confidence interval. D. Do not rejectDo not reject the null hypothesis be

Answer 1

Apparently the questionnaire is incomplete, then the first part necessary to solve the question is left

The average daily volume of a computer stock in 2011 was

muμequals=35.135.1

million​ shares, according to a reliable source. A stock analyst believes that the stock volume in 2014 is different from the 2011 level. Based on a random sample of

3030

trading days in​ 2014, he finds the sample mean to be

30.330.3

million​ shares, with a standard deviation of

sequals=12.612.6

million shares. Test the hypotheses by constructing a

9595​%

confidence interval. Complete parts​ (a) through​ (c) below.

Answer: however, with the given options we can say that the correct option is "B", in which the value of the confidence interval is necessary to accept or reject the null hypothesis, we deduce that the value is not in the confidence interval so it must be rejected