Question
Asked Nov 4, 2019
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of the plays attributed to a playwright, 17 are comedies, 16 are tragedies, and 20 are histories. If one play is selected at random, find the odds against selecting a history.

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Expert Answer

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Step 1

Plays attributed to playwright are:

17 are comedies, 16 are tragedies and 20 are histories.

Total plays = 17+16+20 = 53.

The formula to calculate the odds against an event is:

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P(Event will not happen) P(Event will happen) Odds against an event

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Step 2

The formula to calculate the probability of an event is:

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Number of favorable outcomes P(Event) Total outcomes

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Step 3

The odds against selecting a his...

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P(History will not be selected) P(History will be selected) Odds against selecting History 17 16 53 20 53 33 20

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