# Probabilities, Unit 3 Lesson 6 Assignment help

*label*Mathematics

*timer*Asked: Nov 19th, 2016

*account_balance_wallet*$10

### Question Description

Use the chart to answer the following probability questions:

Very Easy to follow Average to follow Very Difficult to follow Impossible to Follow

male 51 39 27 19

Female 47 45 22 20

1) What are the totals for the following?

a) Males

b) Females

c) Very Easy to Follow

d) Average to Follow

e) Very Difficult to Follow

f) Impossible to Follow

g) Total number of people interviewed

2) One of these people is randomly selected. Find the probability that this individual is NOT male?

3) One of these people is randomly selected. If it is known that this person found the instructions very difficult to follow, find the probability that this person is male.

4) One of these people is randomly selected. If it is known that this person is male find the probability that this found the instructions very difficult to follow.

5) One of these people is randomly selected. If it is known that this person is female find the probability that this found the instructions very easy to follow.

6) Find the probability that a randomly selected person found the directions average to follow.

The question, "Do you smoke?" was asked of 100 people. Results are shown in the table.

Yes No Total

Male 19 41 60

Female 12 28 40

Total 31 69 100

7) Find the probability that a randomly selected person was male.

8) Find the probability that a randomly selected does NOT smoke.

9) Find the probability that a randomly selected person does not smoke if it is known that they are male.

10.) Find the probability that a randomly selected person is female if it is known they smoke.

11) Suppose the probability that tomorrow will be a snow day is .55. Suppose the probability that tomorrow is a snow day AND it is Friday is .25. What is the probability that tomorrow is Friday, if you know tomorrow is a snow day?

## Tutor Answer

See attached

Use the chart to answer the following probability questions:

Very Easy to follow Average to follow Very Difficult to follow Impossible to Follow

male 51 39 27 19

Female 47 45 22 20

1) What are the totals for the following?

Very

easy

male

female

TOTAL

average

51

47

98

39

45

84

Very

difficult

impossible

27

22

49

19

20

39

TOTAL

136

134

270

a) Males

136

b) Females

134

c) Very Easy to Follow

98

d) Average to Follow

84

e) Very Difficult to Follow

49

f)

Impossible to Follow

39

g) Total number of people interviewed

270

2) One of these people is randomly s...

*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