Mathematics, 17.10.2021 22:00 paxbro3986

Do Americans work more than the French? American adults work on average 43.5 hours per week with a standard deviation of 4.6 hours. French adults work an average of 36 hours per week with a standard deviation of 5.1 hours. A random sample of 110 Americans and 135 French adults were selected and surveyed about their work time. What is the probability that the sample mean for French is greater than that of the Americans?

With a probability of 0.85 the difference in average hours per week worked (American - French) is above what number?

Answers: 1

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 18:00, madisonvinson0

Stephen thublin invests $1,000,000 in a 45-day certificate of deposit with 6.55% interest. what is the total interest income from the investment?

Answers: 1

continue

Mathematics, 21.06.2019 18:30, 3peak101

Ineed in figuring out this problem.

Answers: 3

continue

Mathematics, 21.06.2019 20:30, ElegantEmerald

A. plot the data for the functions f(x) and g(x) on a grid and connect the points. x -2 -1 0 1 2 f(x) 1/9 1/3 1 3 9 x -2 -1 0 1 2 g(x) -4 -2 0 2 4 b. which function could be described as exponential and which as linear? explain. c. if the functions continue with the same pattern, will the function values ever be equal? if so, give estimates for the value of x that will make the function values equals. if not, explain why the function values will never be equal.

Answers: 3

continue

Mathematics, 22.06.2019 02:30, sariahieveryone

Ablue whale traveled 3112 miles in 214hours. what was the whale's rate in yards per hour? (1 mile = 1,760 yards)

Answers: 1

continue

You know the right answer?

Do Americans work more than the French? American adults work on average 43.5 hours per week with a s...