Acell phone companyoffers two plans to its subscribers. At the time new subscriberssign up, they are asked to provide some demographic information. The mean yearly income for a sample of 40 subscribers to Plan A is $57,000 with a standard deviation of $9,200. For a sample of 30 subscribers to Plan B, the mean income is $61,000 with a standard deviation of $7,100.

At the .05 significance level, is it reasonable to conclude the mean income of those selecting Plan B is larger?Hint: For the calculations, assume the Plan Aas the first sample.

The test statistic is.(Negative amount should be indicated by a minus sign. Round youranswerto 2 decimal places.)

The decision is(Click to select)rejectdo not rejectthe null hypothesis that the mean of Plan B is larger.

Thep-value is

(Click to select)between 0.05 and 0.1between 0.025 and 0.01between 0.01 and 0.05

(Round your answer to 2 decimal places.)