Question
Asked Feb 17, 2020
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Javier volunteers in community events each month. He does not do more than five events in a month. He attends exactly five events 30% of the time, four events 25% of the time, three events 25% of the time, two events 10% of the time, one event 5% of the time, and no events 5% of the time.

(a) Find the probability that Javier volunteers for less than three events each month.

P(X < 3) = 


(b) Find the expected number of events Javier volunteers in a month. dont round

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Expert Answer

Step 1

The probability distribution representing the number of volunteers X made by Javier in a month is,

Statistics homework question answer, step 1, image 1

 

Step 2

(a)

The probability that Javier volunteers for less than three events each month is,

Statistics homework question answer, step 2, image 1

Thus, the probability that Javier volunteers for less than three events each month is 0.20.

...

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