Mathematics, 14.04.2022 02:50 carolinerosewillis

The CPA Practice Advisor reports that the mean preparation fee for 2017 federal income tax returns was $273. Use this price as the population mean and assume the population standard deviation of preparation fees is $100. . What is the probability that the mean price for a sample of 30 federal income tax returns is within $16 of the population mean?

b. What is the probability that the mean price for a sample of 50 federal income tax returns is within $16 of the population mean?

c. What is the probability that the mean price for a sample of 100 federal income tax returns is within $16 of the population mean?

d. Which, if any, of the sample sizes in parts (a), (b), and (c) would you recommend to have at least a .95 probability that the sample mean is within $16 of the population mean?

Answers: 1

Show answers

Another question on Mathematics

Mathematics, 21.06.2019 20:00

Given the two similar triangles, how do i find the missing length? if a=4, b=5, and b'=7.5 find a'

Answers: 1

Answer

Mathematics, 21.06.2019 21:10

If f(x) = 2x + 8 and g(x) = x4, what is (gº)?

Answers: 1

Answer

Mathematics, 21.06.2019 22:00

Simplify (4x^2 - 8xy + 2y^2) - (9x^2 - 4xy - 7y^2) a. -5x^2 + 4xy + 9y^2 b. -5x^2 - 4xy + 9y^2 c. -5x^2 + 12xy + 4y^2 d. -5x^2 - 4xy - 5y^2

Answers: 1

Answer

Mathematics, 22.06.2019 00:10

Examine the paragraph proof. which theorem does it offer proof for? prove jnm – nmi according to the given information in the image. jk | hi while jnm and lnk are vertical angles. jnm and lnk are congruent by the vertical angles theorem. because lnk and nmi are corresponding angles, they are congruent according to the corresponding angles theorem. finally, jnm is congruent to nmi by the transitive property of equality alternate interior angles theorem gorresponding angle theorem vertical angle theorem o same side interior angles theorem

Answers: 2

Answer

You know the right answer?

The CPA Practice Advisor reports that the mean preparation fee for 2017 federal income tax returns w...

Questions