Mathematics

Mathematics, 15.02.2021 20:00, jnthnsngh

Suppose an automotive repair company wants to determine the current percentage of customers who keep up with regular vehicle maintenance. How many customers should the company survey in order to be 90% confident that the estimated (sample) proportion is within 2 percentage points of the true population proportion of customers who keep up with regular vehicle maintenance? Use the table of values below.

Z0.10 Z0.05 Z0.025 Z0.01 Z0.005
1.282 1.645 1.960 2.326 2.576

answer

Answers: 3

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 13:20, marissasusievalles

Hello i need some with trigonometric substitutions. [tex]\int\limits^a_b {x} \, dx[/tex]

Answers: 3

Mathematics, 21.06.2019 14:30, brainzz04

Given the parent function of [tex]f(x)=x^4[/tex], what change will occur when the function is changed to [tex]f(\frac{1}{2} x)[/tex]?

Answers: 3

Mathematics, 21.06.2019 18:30, budjasdatazaki467

Let f(x) = 3 − x . find the average rate of change of f(x) from x = a to x = a + h and simplify your answer so that no single factor of h is left in the denominator.

Answers: 1

Mathematics, 21.06.2019 19:00, tjkma1234

Angela is buying a dress that is on sale for 20% off. if the original price of the dress is $40.00, how much money is angela saving on the dress? a. $0.80 b. $3.20 c. $32.00 d. $8.00

Answers: 1

Do you know the correct answer?

Suppose an automotive repair company wants to determine the current percentage of customers who keep...

Questions in other subjects:

Konu

Business, 12.07.2019 16:10

The stock price for the bare bear corp. (bbc) was $126.70 at the end of 2014, $121.50 at the end of 2015, $104.25 at the end of 2016, and $142.30 at the end of 2017. bbc paid divid...

Konu

Mathematics, 12.07.2019 16:10

Let x be a random variable with mean x = 25 and x = 6 and let y be a random variable with mean y = 30 and y = 4. it is known that x and y are independent random variables. supp...

Konu

Geography, 12.07.2019 16:10

The focus of an earthquake is a point: a. on the earth’s surface where the initial release of seismic energy occurs. b. on the earth’s surface where seismic waves are reflected do...

Konu

Biology, 12.07.2019 16:10

Copper in soil is usually toxic to plants, but some plants that grow near copper mines evolve copper tolerance. when copper-tolerant plants are grown in copper-free soil, they are...

Konu

Biology, 12.07.2019 16:10

The net primary productivity of cultivated land is most similar to the net primary productivity of which ecosystem? the net primary productivity of cultivated land is most similar...

Konu

Social Studies, 12.07.2019 16:10

Policies and standards are a collection of concrete definitions that describe acceptable and unacceptable human behavior. the questions related are more appropriate for procedures...

Konu

Physics, 12.07.2019 16:10

Aforce of 7.50n is applied to a spring whose spring constant is 0.298n/cm n/cm. find its change in length...

Konu

Physics, 12.07.2019 16:10

Amedieval city has the shape of a square and is protected by walls with length 500 m and height 15 m. you are the commander of an attacking army and the closest you can get to the...

Konu

Mathematics, 12.07.2019 16:10

Seven cards each containing one of the following letters c, b, t, a, e, m and h are placed in a hat. each letter is used only once. stu will pull four cards out at random and witho...

Konu

Physics, 12.07.2019 16:10

A14.2 m long steel beam is accidentally dropped by a construction crane from a height of 9.29 m. the horizontal component of the earth's magnetic field over the region is 17.8 μt....

Other tasks in the category: Mathematics More task