Mathematics, 07.04.2020 16:59 ctomo2004

6) The time spent by a customer at a checkout counter has mean 4 minutes and standard deviation 2 minutes. a. What is the probability that the total time taken by a random sample of 50 customers is less than 180 minutes? b. Find the 30th percentile of the total time taken by 50 customers.

Answers: 2

Show answers

Another question on Mathematics

Mathematics, 21.06.2019 19:30

Use multiples to write two fractions equivalent to 7/9. 14/18, 8/10 6/8, 21/27 10/12, 28/36 14/18, 21/27

Answers: 1

Answer

Mathematics, 21.06.2019 22:30

3. a sum of $2700 is to be given in the form of 63 prizes. if the prize is of either $100 or $25, find the number of prizes of each type.

Answers: 1

Answer

Mathematics, 21.06.2019 22:50

Angle that produces maximum distance

Answers: 1

Answer

Mathematics, 21.06.2019 23:20

Factor the polynomial expression x6 – x3 – 20

Answers: 2

Answer

You know the right answer?

6) The time spent by a customer at a checkout counter has mean 4 minutes and standard deviation 2 mi...

Questions

English, 17.04.2020 21:14

Using evidence from the text, explain what the “roads” symbolize in this poem....

Chemistry, 17.04.2020 21:14

How are models useful in describing how molecules are formed...

English, 17.04.2020 21:14

There I was clinging to the side of the cliff. Just when I thought things couldn't get worse, I heard a familiar cawing sound. I looked up to se...

Mathematics, 17.04.2020 21:14

Alan brought 3 pencils and a notebook. The notebook cost $6 and he spent a total of $12 . How much did each pencil cost? Use p to represent the cost o...

Mathematics, 17.04.2020 21:14

Solve for x in the diagram below. (6x - 2) 20°...

Chemistry, 17.04.2020 21:14

What does D represent?...

Mathematics, 17.04.2020 21:14

Examine the diagram. Name two corresponding angles to angle 1.

Mathematics, 17.04.2020 21:14

The first term of a sequence is 4 and the common ratio is -2. What is the formula for the sequence based on term number...

Biology, 17.04.2020 21:14

Help me pls!! The word “theory” is often used to describe an idea that someone has. How is that usage of the word theory different than th...

Engineering, 17.04.2020 21:14

Two cylinders are to be press-fitted together so that the principal stresses with the greatest absolute value is not to exceed 60 percent of the yield...

English, 17.04.2020 21:14

Read the paragraph from the section "Italian Internet Traffic Is Way Up." This is having some very real effects on Italian internet provid...

Business, 17.04.2020 21:14

Don enters into a contract to buy Ezra’s office building for a certain price subject to an appraiser’s evaluation of the structure’s condition. If the...

Health, 17.04.2020 21:14

Explain how genetic research technology has impacted the health status of families. How might a genetic counselor help a family that...

Chemistry, 17.04.2020 21:14

In an ecosystem, the presence of many different species is critical for the survival of some forms of life when A) ecosystems remain...

Mathematics, 17.04.2020 21:14

How to convert 1 cup to fl oz fraction...

Mathematics, 17.04.2020 21:14

Four friends order a 12 plzza to share. they share the plzzo equally, how many square Inches would each person get? round to the nea...

Social Studies, 17.04.2020 21:14

In one high school class, the teacher lets students select their own groups to work on an important class project. As expected, similar students group...

Geography, 17.04.2020 21:14

Which equation is correct regarding the measure of 21? m41 = {(a-c) m21 = (a + c) • m_1 = {(0-0) ºm21 = {10+ 0) Please h...

Biology, 17.04.2020 21:14

During mitosis, duplicated chromosomes (each consisting of a pair of sister chromatids) that formed during interphase separate within the parent cell...

English, 17.04.2020 21:14

Which describes the focus of most TV advertising? A. selling a product. B. helping people in need. C. getting the public's advice. help me, please...

More questions: Mathematics Another questions