7 problems. Unit...

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 1. Award: 10 out of 10.00 points
 
 
Score: 70/70 Points 100 %
[The following information applies to the questions displayed below.]

A sample of 50 oil industry executives was selected to test a questionnaire. One question about
environmental issues required a yes or no answer.
b. Which of the following are possible events. (Select all that apply.)
48 people respond "Yes."
46 people respond "Yes."
36 people respond "No."
56 people respond "No."
The questionnaire fails to reach one executive.
References
Check All That
Apply
Learning Objective:
05-02 Identify and
apply the appropriate
approach to
assigning
probabilities.
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 2. Award: 10 out of 10.00 points
 
c. Twenty five of the 50 executives responded “Yes.” Based on these sample responses, what is the
probability that an oil industry executive will respond “Yes”? (Round your answer to 2 decimal places.)

Probability 0.50

 

References
Worksheet Learning Objective:
05-02 Identify and
apply the appropriate
approach to
assigning
probabilities.

 

c. Twenty five of the 50 executives responded “Yes.” Based on these sample responses, what is the
probability that an oil industry executive will respond “Yes”? (Round your answer to 2 decimal places.)

Probability

 
Explanation:
0.50, found by 25/50

 

0.50 ± 0.01
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 3. Award: 10 out of 10.00 points
 
 4. Award: 10 out of 10.00 points
 
d. What concept of probability does this illustrate?

Empirical
References
Worksheet Learning Objective:
05-02 Identify and
apply the appropriate
approach to
assigning
probabilities.

 

d. What concept of probability does this illustrate?
...