Mathematics, 23.04.2020 00:57 aly95

A local retailer claims that the mean waiting time is less than 8 minutes. A random sample of 20 waiting times has a mean of 6.8 minutes with a standard deviation of 2.1 minutes. At ΅ = 0.01, test the retailer's claim. Assume the distribution is normally distributed. Round the test statistic to the nearest thousandth.

Answers: 3

Show answers

Another question on Mathematics

Mathematics, 21.06.2019 13:00

Determine the quotient and remainder when (6a3)+11a2-4a-9) is divided by (3a-2) express your answer in the form q(a) + r(a)/d(a)

Answers: 2

Answer

Mathematics, 21.06.2019 19:00

Solve 3x-18=2y and 5x-6y=14 by elimination or substitution . show all !

Answers: 1

Answer

Mathematics, 21.06.2019 21:00

Ade and abc are similar. which best explains why the slope of the line between points a and d is the same as the slope between points a and b?

Answers: 2

Answer

Mathematics, 21.06.2019 21:40

The point a is at –2 and the point b is at 7. marissa would like to divide this line segment in a 4: 3 ratio, and she would like to use the formula x = (x2 – x1) + x1. what values should she substitute into the formula? a = a + b = x1 = x2 =

Answers: 2

Answer

You know the right answer?

A local retailer claims that the mean waiting time is less than 8 minutes. A random sample of 20 wai...

Questions

English, 21.03.2021 09:10

For which of the following reasons does a 3-column organizer help you retain information from a text? A. It gives you a category for placing ex...

Mathematics, 21.03.2021 09:10

Please help if you know how to integrate using substitution.

Biology, 21.03.2021 09:10

Help me please. ...

English, 21.03.2021 09:10

Join my z00m Meeting ID 982-8033-6961 Password 0fvdad...

Mathematics, 21.03.2021 09:10

Rewrite the function f (x) = 3 (x - 1)^2 – 2 in the form f(x) = ax^2+bx+c...

Computers and Technology, 21.03.2021 09:10

What Is the Purpose of a Web Browser? *...

History, 21.03.2021 09:10

100 POINTS NEED ANSWER ASAP The ideals expressed in this passage contributed to the development of which of the following 20th-century events?

Mathematics, 21.03.2021 09:10

I don't know what to do ...

Chemistry, 21.03.2021 09:10

The pH of a solution is 2.0. Which statement is correct? Useful formulas include (H2011 ) - 107H [OH-]- 10 POH, PH+pOH = 14 and [H3O[OH]=...

Mathematics, 21.03.2021 09:10

Henry calculated the distance from the origin to the point (8, 3. - 1). His work is shown below. Analyze Henry's work. Is he correct? Explain y...

Mathematics, 21.03.2021 09:10

For the following rectangular prism, drag and drop the steps needed to find the volume in the correct order. Then type the volume in the last box. Not...

Mathematics, 21.03.2021 09:10

two printers working together can print a 250 page book in 30 minutes. printer a takes twice as long as printer b to print the same book. how long wou...

Mathematics, 21.03.2021 09:20

Are these proportional? And I need to show work sooo for example on the first question we did in class we wrote down -3/1 -6/2=-3/1 -9/3=...

Mathematics, 21.03.2021 09:20

Someone help please with b (the slope is 5) ...

History, 21.03.2021 09:20

As Union soldiers marched into Richmond in 1865, General Lee’s army began to receive reinforcements. had only 35,000 men and no food. pla...

Mathematics, 21.03.2021 09:20

Find the number ( x - 2 ) less than 4x + 5y...

Business, 21.03.2021 09:20

What are the categories under the demographic segmentation...

English, 21.03.2021 09:20

Do this properly and I will make you the brainest

History, 21.03.2021 09:20

I need help can you put them in order and tell me witch one goes first second third last

Mathematics, 21.03.2021 09:20

Another question of the homework ...

More questions: Mathematics Another questions