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Chapter 3: Q. 69 (page 221)

Use the following information to answer the next 12exercises. The graph shown is based on more than 170,000interviews done by Gallup that took place from January through December 2012.. The sample consists of employed Americans 18years of age or older. The Emotional Health Index Scores are the sample space. We randomly sample one Emotional Health Index Score

Find the probability that an Emotional Health Index Score is 81.0.

Short Answer

Expert verified

The probability that a score is capable of 81.0is=0.07142

Step by step solution

01

Introduction

The scientific skill of likely hoodare often wont to analyze variance. Itit's interested with the prospect (probability) of justa happening occurring. If you spin aa good coin multiple times, the results statistically probable to be two heads and two tails.


02

Probability Score

There are14 indeed a plethora of activities. Merely two of them, Construction or Mining, get a heavy emotional value of 81.0 . sort of a result, the frequency is calculated based:

P(score=81.0)=114=0.07142

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Most popular questions from this chapter

Use the following information to answer the next six exercises. A jar of 150jelly beans contains 22 red jelly beans, 38

yellow, 20green, 28purple, 26blue, and the rest are orange.

Let B = the event of getting a blue jelly bean

Let G = the event of getting a green jelly bean.

Let O = the event of getting an orange jelly bean.

Let P = the event of getting a purple jelly bean.

Let R = the event of getting a red jelly bean.

Let Y = the event of getting a yellow jelly bean.

Find P(O).

On February 28,2013, a Field Poll Survey reported that 61%of California registered voters approved of allowing two people of the same gender to marry and have regular marriage laws apply to them. Among 18to39year olds (California registered voters), the approval rating was 78%. Six in ten California registered voters said that the upcoming Supreme Court鈥檚 ruling about the constitutionality of California鈥檚 Proposition 8was either very or somewhat important to them. Out of those CA registered voters who support same-sex marriage, 75%say the ruling is important to them.

In this problem, let: 鈥�

C = California registered voters who support same-sex marriage. 鈥� B = California registered voters who say the Supreme Court鈥檚 ruling about the constitutionality of California鈥檚 Proposition 8 is very or somewhat important to them 鈥� A = California registered voters who are 18to39years old.

a. Find P(C).

b. Find P(B).

c. Find P(C|A).

d. Find P(B|C).

e. In words, what is C|A?

f. In words, what is B|C?

g. Find P(C AND B).

h. In words, what is C AND B?

i. Find P(C OR B).

j. Are C and B mutually exclusive events? Show why or why not

Forty-eight percent of all Californians registered voters prefer life in prison without parole over the death penalty for a person convicted of first degree murder. Among Latino California registered voters, 55%prefer life in prison without parole over the death penalty for a person convicted of first degree murder. 37.6%of all Californians are Latino. In this problem, let: 鈥� C = Californians (registered voters) preferring life in prison without parole over the death penalty for a person convicted of first degree murder. L = Latino Californians. Suppose that one Californian is randomly selected.

In words, what is L OR C?

Forty-eight percent of all Californians registered voters prefer life in prison without parole over the death penalty for a person convicted of first degree murder. Among Latino California registered voters, 55%prefer life in prison without parole over the death penalty for a person convicted of first degree murder. 37.6%of all Californians are Latino. In this problem, let: 鈥� C = Californians (registered voters) preferring life in prison without parole over the death penalty for a person convicted of first degree murder. L = Latino Californians. Suppose that one Californian is randomly selected.

In words, what is L AND C?

Find the probability that the person was Latino from the given data
See all solutions

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