# statistics and probability word problem

*label*Mathematics

*timer*Asked: Dec 19th, 2017

*account_balance_wallet*$20

**Question description**

I have statistics and probability homework due after 7 hours.

I need to get a good grade in this homework so i can pass the class.

## Tutor Answer

Hello buddy, check out question 25. I am awaiting Question 23 to complete question 24. Upload it asap

The formula will show in your excell sheet

PrQc P represents the fraction of students that pass the test who are unqualified.

PrQ Pc represents the fraction of students that fail the test who are qualified

a)

t1

t2

PrQc

0,25

0,25

PrPQ

0,9

0,85

PrPcQc

0,8

0,9

PrQcP

0,068966 0,037736

PrQPc

0,272727 0,333333

PrP

0,725

0,6625

To minimize chances of unqualified student admited pick least PrQcP = 0.0377 that is in Test 2

To minimize chances a qualified student is rejected pick least PrQPc = 0.2727 that is in Test 1

b)

t1

t2

PrQc

0,25

0,25

PrPQ

0,95

0,75

PrPcQc

0,85

0,88

PrQcP

0,05 0,050633

PrQPc

0,15 0,460123

PrP

0,75

0,5925

To minimize chances of unqualified student admited pick least PrQcP = 0.05that is in Test 1

To minimize chances a qualified student is rejected pick least PrQPc = 0.15 that is in Test 1

c)

t1

t2

PrQc

0,25

0,25

PrPQ

0,85

0,84

PrPcQc

0,8

0,9

PrQcP

0,072727 0,038168

PrQPc

0,36 0,347826

PrP

0,6875

0,655

To minimize chances of unqualified student admited...

*flag*Report DMCA

Brown University

1271 Tutors

California Institute of Technology

2131 Tutors

Carnegie Mellon University

982 Tutors

Columbia University

1256 Tutors

Dartmouth University

2113 Tutors

Emory University

2279 Tutors

Harvard University

599 Tutors

Massachusetts Institute of Technology

2319 Tutors

New York University

1645 Tutors

Notre Dam University

1911 Tutors

Oklahoma University

2122 Tutors

Pennsylvania State University

932 Tutors

Princeton University

1211 Tutors

Stanford University

983 Tutors

University of California

1282 Tutors

Oxford University

123 Tutors

Yale University

2325 Tutors