The Rocky Mountain district sales manager of Rath Publishing Inc., a college textbook publishing company, claims that the sales representatives make an average of 39 sales calls per week on professors. Several reps say that this estimate is too low. To investigate, a random sample of 25 sales representatives reveals that the mean number of calls made last week was 40. The standard deviation of the sample is 3.8 calls. Using the 0.100 significance level, can we conclude that the mean number of calls per salesperson per week is more than 39? H0:μ≤39
H1:μ>39
What is the decision regarding H0?

Following are the solution to these choices:

Step-by-step explanation:

The test assumption is:

It is a checked right-tail, since the alternative hypothesis is produced to classify the argument when the data difference is greater than 0.

The null hypothesis should be rejected:

They have little enough proof that perhaps the average number of calls per person per week amounts to even more than 39.

answer: just subtact the units and then add the non negative : happy to

step-by-step explanation:

all group life insurance is term insurance. actually it is annual renewable term and it is rated on the average age and claims experience of the entire group, which is called "experience rating." remember, this type of insurance has a 31-day grace period and is convertible to whole life upon leaving employment. a contributory group plan requires that both the employer and the employees pay part of the premium. at least 75% of those eligible must participate, so the group is sure to get most of the healthy employees as well as those that are sick.

step-by-step explanation: