Question

A university financial aid office polled a random sample of 751 male undergraduate students and 810 female undergraduate students. Each of the students was asked whether or not they were employed during the previous summer. 472 of the male students and 588 of the female students said that they had worked during the previous summer. Give a 80% confidence interval for the difference between the proportions of male and female students who were employed during the summer.

Step 1 of 3:

Find the point estimate that should be used in constructing the confidence interval. Round your answer to three decimal places.

Step 2 of 3:

Find the margin of error. Round your answer to six decimal places.

Step 3 of 3:

Construct the 80%80% confidence interval. Round your answers to three decimal places.

Answer #1

A university financial aid office polled a random sample of 827
male undergraduate students and 764 female undergraduate students.
Each of the students was asked whether or not they were employed
during the previous summer. 584 of the male students and 392 of the
female students said that they had worked during the previous
summer. Give a 80% confidence interval for the difference between
the proportions of male and female students who were employed
during the summer.
Step 1 of...

A university financial aid office polled a random sample of
528528 male undergraduate students and 651651 female undergraduate
students. Each of the students was asked whether or not they were
employed during the previous summer. 295295 of the male students
and 463463 of the female students said that they had worked during
the previous summer. Give a 80%80% confidence interval for the
difference between the proportions of male and female students who
were employed during the summer.
Step 1 of...

A university financial aid office polled a random sample of 834
male undergraduate students and 743 female undergraduate students.
Each of the students was asked whether or not they were employed
during the previous summer. 477 of the male students and 351 of the
female students said that they had worked during the previous
summer. Give a 99% confidence interval for the difference between
the proportions of male and female students who were employed
during the summer
Step 1 of...

A university financial aid office polled a random sample of 921
male undergraduate students and 961 female undergraduate students.
Each of the students was asked whether or not they were employed
during the previous summer. 599 of the male students and 747 of the
female students said that they had worked during the previous
summer. Give a 95% confidence interval for the difference between
the proportions of male and female students who were employed
during the summer.
Step 1 of...

A university financial aid office polled a random sample of 970
male undergraduate students and 870 female undergraduate students.
Each of the students was asked whether or not they were employed
during the previous summer. 670 of the male students and 443 of the
female students said that they had worked during the previous
summer. Give a 99% confidence interval for the difference between
the proportions of male and female students who were employed
during the summer.
Step 1 of...

A university financial aid office polled a random sample of 467
male undergraduate students and 574 female undergraduate students.
Each of the students was asked whether or not they were employed
during the previous summer. 270 of the male students and 290 of the
female students said that they had worked during the previous
summer. Give a 90% confidence interval for the difference between
the proportions of male and female students who were employed
during the summer.
Step 1 of...

A university financial aid office polled a random sample of 917
917 male undergraduate students and 971 971 female undergraduate
students. Each of the students was asked whether or not they were
employed during the previous summer. 567 567 of the male students
and 457 457 of the female students said that they had worked during
the previous summer. Give a 80% 80 % confidence interval for the
difference between the proportions of male and female students who
were employed...

A university financial aid office polled a random sample of 917
917 male undergraduate students and 971 971 female undergraduate
students. Each of the students was asked whether or not they were
employed during the previous summer. 567 567 of the male students
and 457 457 of the female students said that they had worked during
the previous summer. Give a 80% 80 % confidence interval for the
difference between the proportions of male and female students who
were employed...

A university financial aid office polled a random sample of 572
male undergraduate students and 644 female undergraduate students.
Each of the students was asked whether or not they were employed
during the previous summer. 307 of the male students and 389 of the
female students said that they had worked during the previous
summer. Give a 98% confidence interval for the difference between
the proportions of male and female students who were employed
during the summer. Step 1 of...

A survey of undergraduate students in the School of Business at
Northern University revealed the following regarding the gender and
majors of the students: Major Gender Accounting Marketing Finance
Total Male 80 130 60 270 Female 80 60 40 180 Total 160 190 100 450
a. What is the probability of selecting a female student? (Round
the final answer to 2 decimal places.) Probability b. What is the
probability of selecting a finance or an accounting major? (Round
the final...

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