Question

For this problem, carry at least four digits after the decimal
in your calculations. Answers may vary slightly due to
rounding.

In a marketing survey, a random sample of 982 supermarket shoppers
revealed that 260 always stock up on an item when they find that
item at a real bargain price.

(a)

Let *p* represent the proportion of all supermarket
shoppers who always stock up on an item when they find a real
bargain. Find a point estimate for *p*. (Enter a number.
Round your answer to four decimal places.)

(b)

Find a 95% confidence interval for *p*. (For each answer,
enter a number. Round your answers to three decimal places.)

lower limit

upper limit

Give a brief explanation of the meaning of the interval.

95% of all confidence intervals would include the true proportion of shoppers who stock up on bargains.95% of the confidence intervals created using this method would include the true proportion of shoppers who stock up on bargains. 5% of the confidence intervals created using this method would include the true proportion of shoppers who stock up on bargains.5% of all confidence intervals would include the true proportion of shoppers who stock up on bargains.

(c)

As a news writer, how would you report the survey results on the percentage of supermarket shoppers who stock up on items when they find the item is a real bargain?

Report the confidence interval.Report
*p̂*. Report *p̂* along with
the margin of error.Report the margin of error.

What is the margin of error based on a 95% confidence interval?
(Enter a number. Round your answer to three decimal places.)

Answer #1

For this problem, carry at least four digits after the decimal
in your calculations. Answers may vary slightly due to rounding. In
a marketing survey, a random sample of 1020 supermarket shoppers
revealed that 272 always stock up on an item when they find that
item at a real bargain price. (a) Let p represent the proportion of
all supermarket shoppers who always stock up on an item when they
find a real bargain. Find a point estimate for p....

For this problem, carry at least four digits after the decimal
in your calculations. Answers may vary slightly due to
rounding.
In a marketing survey, a random sample of 1000 supermarket
shoppers revealed that 268 always stock up on an item when they
find that item at a real bargain price.
(a) Let p represent the proportion of all supermarket shoppers
who always stock up on an item when they find a real bargain. Find
a point estimate for p....

For this problem, carry at least four digits after the decimal
in your calculations. Answers may vary slightly due to
rounding.
In a marketing survey, a random sample of 1012 supermarket shoppers
revealed that 280 always stock up on an item when they find that
item at a real bargain price.
(a)
Let p represent the proportion of all supermarket
shoppers who always stock up on an item when they find a real
bargain. Find a point estimate for p....

For this problem, carry at least four digits after the decimal
in your calculations. Answers may vary slightly due to
rounding.
In a marketing survey, a random sample of 994 supermarket
shoppers revealed that 268 always stock up on an item when they
find that item at a real bargain price.
(a) Let p represent the proportion of all supermarket shoppers
who always stock up on an item when they find a real bargain. Find
a point estimate for p....

For this problem, carry at least four digits after the decimal
in your calculations. Answers may vary slightly due to
rounding.
In a marketing survey, a random sample of 986 supermarket shoppers
revealed that 268 always stock up on an item when they find that
item at a real bargain price.
(a) Let p represent the proportion of all supermarket
shoppers who always stock up on an item when they find a real
bargain. Find a point estimate for p....

For this problem, carry at least four digits after the decimal
in your calculations. Answers may vary slightly due to
rounding.
In a marketing survey, a random sample of 1000 supermarket shoppers
revealed that 264 always stock up on an item when they find that
item at a real bargain price.
(a)
Let p represent the proportion of all supermarket
shoppers who always stock up on an item when they find a real
bargain. Find a point estimate for p....

For this problem, carry at least four digits after the decimal
in your calculations. Answers may vary slightly due to
rounding.
In a marketing survey, a random sample of 734 women shoppers
revealed that 640 remained loyal to their favorite supermarket
during the past year (i.e., did not switch stores).
(a) Let p represent the proportion of all women
shoppers who remain loyal to their favorite supermarket. Find a
point estimate for p. (Round your answer to four decimal
places.)...

For this problem, carry at least four digits after the decimal
in your calculations. Answers may vary slightly due to
rounding.
In a survey of 1000 large corporations, 246 said that, given a
choice between a job candidate who smokes and an equally qualified
nonsmoker, the nonsmoker would get the job.
(a) Let p represent the proportion of all corporations
preferring a nonsmoking candidate. Find a point estimate for
p. (Round your answer to four decimal places.)
(b) Find a...

For this problem, carry at least four digits after the decimal
in your calculations. Answers may vary slightly due to rounding. In
a marketing survey, a random sample of 1020 supermarket shoppers
revealed that 262 always stock up on an item when they find that
item at a real bargain price.
(a) Let p represent the proportion of all supermarket shoppers
who always stock up on an item when they find a real bargain. Find
a point estimate for p....

For this problem, carry at least four digits after the decimal
in your calculations. Answers may vary slightly due to rounding. In
a marketing survey, a random sample of 1018 supermarket shoppers
revealed that 276 always stock up on an item when they find that
item at a real bargain price.
(a) Let p represent the proportion of all supermarket shoppers
who always stock up on an item when they find a real bargain. Find
a point estimate for p....

ADVERTISEMENT

Get Answers For Free

Most questions answered within 1 hours.

ADVERTISEMENT

asked 7 minutes ago

asked 37 minutes ago

asked 39 minutes ago

asked 49 minutes ago

asked 53 minutes ago

asked 55 minutes ago

asked 1 hour ago

asked 1 hour ago

asked 1 hour ago

asked 1 hour ago

asked 1 hour ago

asked 1 hour ago