subject

Mathematics, 21.01.2020 17:31 rebekahlm

If 75% of all families spend more than $75 weekly for food, while 15% spend more than $150.
assume the weekly expenditure األسبوعي االنفاق of all families has roughly a bell-shaped
distribution ,
i. what is the mean weekly expenditure and what is the standard deviation ?
ii. what is the probability that a randomly selected family spend more than $130 ?
iii. ninety-five percent of weekly expenditure will be below what value?

ansver

Answers: 1

Show answers

Another question on Mathematics

question

Mathematics, 21.06.2019 14:30

3. solve the given inequality and graph the solution on a number line.

Answers: 3

question

Mathematics, 21.06.2019 18:00

Carmen begins her next painting on a rectangular canvas that is 82.7 cm long and has a area of 8,137.68 cm2. will the painting fit in a frame with an opening that is 82.7 cm long and 95 cm wide? explain

Answers: 3

question

Mathematics, 21.06.2019 18:00

When you answer this can you explain

Answers: 2

question

Mathematics, 22.06.2019 00:30

If you were constructing a triangular frame, and you had wood in the length of 4inches, 4 inches, and 7 inches, would it make a triangle? would you be able to create a frame from these pieces of wood? yes or no. explain your mathematical thinking

Answers: 2

You know the right answer?

If 75% of all families spend more than $75 weekly for food, while 15% spend more than $150.
a...

Questions

question

Business, 21.03.2020 05:36

Because they believe there is a strong correlation between job performance and the work environment, Total Safety Management practitioners seek to est...

question

Business, 21.03.2020 05:36

In the month of November, Sunland Company Inc. wrote checks in the amount of $10,280. In December, checks in the amount of $11,185 were written. In No...

question

Mathematics, 21.03.2020 05:36

Problem 2) Below is the list the highway gas mileages (in miles per gallon) of the randomly selected Honda car models. 22, 24, 26, 26, 28, 28, 29, 30,...

question

Mathematics, 21.03.2020 05:36

A company requires 220 pounds of plastic to meet the production needs of a product. It currently has 25 pounds of plastic inventory. The desired endin...

question

Business, 21.03.2020 05:36

Davy Metal Company produces brass fittings. Davy’s engineers estimate the production function represented below as relevant for their long-run capital...

question

Social Studies, 21.03.2020 05:36

Is it time for Burberry to focus more intensely on markets outside its core 25 wealthy cities? What about its demographic focus on well-heeled, younge...

question

Biology, 21.03.2020 05:36

The SLOSS debate involves issues relating to . A. government subsidies to farmers B. controlled burns C. habitat fragmentat...

question

Business, 21.03.2020 05:36

Forest Beach Company experienced an event that had the following effects on its financial statements. Balance sheet Income Statement Stat...

question

Social Studies, 21.03.2020 05:36

Your new home listing has some minor condition issues, most of which the seller Barry disclosed properly when filling out the disclosure form. However...

question

Business, 21.03.2020 05:36

When using the projective technique, participants are presented cards containing various scents, textures, and sounds, and asked to arrange them by o...

question

History, 21.03.2020 05:36

Who are the best candidates for members of the BPA? Check all that apply...

question

Mathematics, 21.03.2020 05:36

If f of x equals the quotient of the quantity x squared minus 9 and the quantity x plus 3 is continuous at x = -3, find f(-3)...

question

Biology, 21.03.2020 05:36

After a climax community is established in an area, explain how long it can survive there....

question

Advanced Placement (AP), 21.03.2020 05:36

When taking a test like this one, what should you always do? A. Guess before reading all the answers B. Try your best to answer ho...

question

English, 21.03.2020 05:37

Compare and contrast the primary s primary source "The Plow That Broke the Plains" and the secondary source "The Dust Bowl and the Governm...

question

English, 21.03.2020 05:37

How does the author begin his argument? Summarize the introduction to the text in two to three sentences and cite evidence from the text....

question

Mathematics, 21.03.2020 05:37

8-\dfrac {m}{n}+p^28− n m +p 2 8, minus, start fraction, m, divided by, n, end fraction, plus, p, squared when m=8m=8m, equals, 8, n=2n=2n, equals, 2...

question

Business, 21.03.2020 05:37

Professor Bai is worried about his job security, and has started to venture into a new startup. Perhaps surprisingly, he is able to take his startup t...

question

Social Studies, 21.03.2020 05:37

Within the last year, Mr. Shangkun has been fired by three different employers because they each discovered that he was stealing money or materials fr...

question

Spanish, 21.03.2020 05:37

Choose the best Spanish equivalent to the phrase. We are fourteen years old. Somos catorce años viejo. Estamos catorce años viejo. Tenemos catorce año...

More questions: Mathematics Another questions

Questions on the website: 13722361