subject

Mathematics, 01.07.2021 05:10 krystalScott17

You want to estimate the mean family income in a rural area of central Indiana. The question is, how many families should be sampled? In a pilot sample of 10 families, the standard deviation of family income was $500. How many families should be interviewed to estimate the population mean income with 95% confidence and a margin of error of $100? (Round your answer to the next whole number.)

ansver

Answers: 3

Show answers

Another question on Mathematics

question

Mathematics, 21.06.2019 16:00

Hello people, i have a math question that i need with, me, i will give the correct one brainiest, and for the other correct people, a and 5 stars.

Answers: 3

question

Mathematics, 21.06.2019 16:30

Cassie is traveling 675 miles today to visit her brother and his family. so far, she has stopped for gas three times. at the first stop, she put in 7.1 gallons of gas and paid $23.79. at her second stop, she put in 5.8 gallons of gas and paid $19.08. and, at the third stop, 6.6 gallons and paid $20.39. at which stop did casey pay the most for gas?

Answers: 1

question

Mathematics, 21.06.2019 20:30

Aswimming pool had 2.5 million liters of water in it. some water evaporated, and then the pool only had 22 million liters of water in it. what percent of the water evaporated?

Answers: 2

question

Mathematics, 21.06.2019 21:00

Circle a has a diameter of 7 inches, a circumference of 21.98 inches, and an area of 38.465 square inches. the diameter of circle b is 6 inches, the circumference is 18.84 inches, and the area is 28.26 square inches. part a: using the formula for circumference, solve for the value of pi for each circle. (4 points) part b: use the formula for area and solve for the value of pi for each circle. (4 points)

Answers: 2

You know the right answer?

You want to estimate the mean family income in a rural area of central Indiana. The question is, how...

Questions

question

Health, 31.03.2020 02:37

Eight months ago, a client was in a hotel fire and was the last person to be rescued from the roof. She watched her husband burn to death from the hel...

question

English, 31.03.2020 02:37

Many of Steinbeck’s novels take place in natural settings with characters who are labourers. What elements of Steinbeck’s life may have contributed to...

question

Mathematics, 31.03.2020 02:37

Greg drove at a constant speed in a rainstorm for 300 miles. He took a break, and then stopped. He then drove 114 miles at a speed that was 7 miles pe...

question

Business, 31.03.2020 02:37

To find out more about the pros and cons of a product, it is often a good idea to study the behavior of the individuals or groups of people using it....

question

Social Studies, 31.03.2020 02:37

Tanya, a social activist, works closely with a local NGO to spread awareness about the importance of education in rural areas. She is actively involve...

question

Mathematics, 31.03.2020 02:37

Question 1 Your front lawn is similar to the front lawn of your neighbor. Your lawn has a width of 50 feet and an area of 800 square feet. Your

question

Health, 31.03.2020 02:37

How do humans grow and change?...

question

English, 31.03.2020 02:37

Serving in Florida excerpt from nickel and dimed. How do the author's interview at Winn-Dixie and Hearthside contribute to the development of ideas in...

question

History, 31.03.2020 02:37

What allowed for the small scale war in the Balkans to lead to a much larger World War...

question

Business, 31.03.2020 02:37

National Business Machines manufactures two models of fax machines: A and B. Each model A costs $100 to make, and each model B costs $150. The profits...

question

Business, 31.03.2020 02:37

Jumbo Shrimp Oxymorons, Inc. recently paid a dividend of $2.12 per share. The firm expects explosive growth of 20% over the next two years. After that...

question

Chemistry, 31.03.2020 02:37

Salt solubilities can be compared by the concentration of cation formed when the salt dissolves in the general reaction: MaXb(s) ⇌ a Mb+(aq) + b Xa-(a...

question

Mathematics, 31.03.2020 02:37

A vertical line drawn through a normal distribution at z = +0.50 separates the distribution into two sections, the body and the tail. What proportion...

question

Business, 31.03.2020 02:37

Heginbotham Corp. issued 10-year bonds two years ago at a coupon rate of 7.2 percent. The bonds make semiannual payments. If these bonds currently sel...

question

Business, 31.03.2020 02:37

It once took 90 percent of our population to grow our food. It now takes only 3 percent of the population to grow our food. Which of the following sta...

question

Computers and Technology, 31.03.2020 02:37

Each term to the appropriate definition. DBMS data mining hash file index key field locking protocol relation roll back schema SQL A. A means of locat...

question

English, 31.03.2020 02:37

This question has two parts. Answer Part A, and then answer Part B. Part AWhich claim does the author make in the passage?AThe search for Fawcett was...

question

Mathematics, 31.03.2020 02:37

Which expression is equivalent to 3 (6x1) for all values of x...

question

Chemistry, 31.03.2020 02:38

Im leaving this thing...

question

Physics, 31.03.2020 02:38

A plane wave with a wavelength of 500 nm is incident normally on a single slit with a width of 5.0 x 10–6 m. Consider waves that reach a point on a fa...

More questions: Mathematics Another questions

Questions on the website: 13722363