SOLUTION: What is the probability that it will rain 7 of the next 9 days whent he probability of rain is 80%? Show the formula and your calculations.
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-> SOLUTION: What is the probability that it will rain 7 of the next 9 days whent he probability of rain is 80%? Show the formula and your calculations.
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Question 236924: What is the probability that it will rain 7 of the next 9 days whent he probability of rain is 80%? Show the formula and your calculations. Answer by solver91311(24713) (Show Source):
The probability of exactly successes out of trials is given by:
Where is the probability of success on a given trial and is the probability of failure and
For your problem:
You can do your own arithmetic.
Note that this is the probability that it will rain EXACTLY 7 of the next 9 days. Questions about the probability that it will rain no more than 7 days or at least 7 days are very different questions.
