SOLUTION: A poll was taken of 11,089 working adults aged 40-70 to determine their level of education. The participants were classified by sex and by level of education. The results are shown

Question 1048314: A poll was taken of 11,089 working adults aged 40-70 to determine their level of education. The participants were classified by sex and by level of education. The results are shown below.
Education Level Male Female Total
High School or Less 2136 2409 4545
Bachelor's Degree 2827 2854 5681
Master's Degree 385 352 737
Ph.D. 69 57 126
Total 5417 5672 11,089

A person is selected at random. Compute the following probabilities.
(a) What is the probability that the selected person does not have a Ph.D.?

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(b) What is the probability that the selected person does not have a Master's degree?

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(c) What is the probability that the selected person is female or has a Master's degree?

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(d) What is the probability that the selected person is male or has a Ph.D.?

Answer by jorel555(1290) (Show Source): You can put this solution on YOUR website!
a)126 phd's/11089=.0113626
1-.0113626=.988637 probability selected person does NOT have a PhD.
b)737/11089=.06646
1-.06646=.9335 probability person does NOT have a Master's.
c)Total females + total Master's degrees=5672+737=6409
Less females with Masters degree=6409-352=6057
6057/11089=.5462 probability of female OR Masters degree.
d)Male or PhD=male + female PhD (Males with PhDs are already counted):
5417+57/11089=.4936 probability of male OR PhD degree. ☺☺☺☺
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