Mathematics, 07.05.2020 04:58, cait0820

Unexpected expense. In a random sample 765 adults in the United States, 322 say they could not
cover a $400 unexpected expense without borrowing money or going into debt.

(a) What population is under consideration in the data set?

(b) What parameter is being estimated?

(c) What is the point estimate for the parameter?

(d) What is the name of the statistic can we use to measure the uncertainty of the point estimate?

(e) Compute the value from part (d) for this context.

(f) A cable news pundit thinks the value is actually 50%. Should she be surprised by the data?

(g) Suppose the true population value was found to be 40%. If we use this proportion to recompute the value in part (e) using p = 0.4 instead of pˆ, does the resulting value change much?

Answers: 1

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 13:30, tiniecisneros28

There are 20 children in the cast of a class play and 8 of the children are boys of the boys 4 have a speaking part in the play and of the girls 8 do not have a speaking part in the play if a child from the cast of the place chosen at random what is the probability that the child has a speaking part

Answers: 1

continue

Mathematics, 21.06.2019 16:00, ariano76

On a piece of paper graph f(x)=5•(0.4)^x

Answers: 1

continue

Mathematics, 21.06.2019 18:10, normahernandez977

Find the solution set of this inequality. enter your answer in interval notation using grouping symbols. |8x-4| ≤ 12

Answers: 1

continue

Mathematics, 21.06.2019 21:30, drepeter86

50 people men and women were asked if they watched at least one sport on tv. 20 of the people surveyed are women, but only 9 of them watch at least one sport on tv. 16 of the men watch at least one sport on tv. make a a two-way table and a relative frequency table to represent the data.

Answers: 3

continue

Do you know the correct answer?

Unexpected expense. In a random sample 765 adults in the United States, 322 say they could not