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Question

Find the probability of selecting a person at random : At a school board meeting there are 9 parents and 5 teachers. 2 teachers and 5 parents are female. If a person at the school board meeting is selected at random, find the probability that the person is a parent or a female.

Answer

Then add up the probabilities: (9+7)/14 =16/14. And subtract the intersection of probability [FEMALE AND TEACHER] not to count it twice

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Question

Find the probability of selecting a person at random : At a school board meeting there are 9 parents and 5 teachers. 2 teachers and 5 parents are female. If a person at the school board meeting is selected at random, find the probability that the person is a parent or a female.

Answer

?

Tags

#has-images

Question

Find the probability of selecting a person at random : At a school board meeting there are 9 parents and 5 teachers. 2 teachers and 5 parents are female. If a person at the school board meeting is selected at random, find the probability that the person is a parent or a female.

Answer

Then add up the probabilities: (9+7)/14 =16/14. And subtract the intersection of probability [FEMALE AND TEACHER] not to count it twice

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#### pdf

owner: naxplast06 - (no access) - Deviant S. - The Practically Cheating Statistics Handbook (2010, CreateSpace Independent Publishing Platform).pdf, p45

status | not learned | measured difficulty | 37% [default] | last interval [days] | |||
---|---|---|---|---|---|---|---|

repetition number in this series | 0 | memorised on | scheduled repetition | ||||

scheduled repetition interval | last repetition or drill |

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