Mathematics, 09.04.2021 17:00 karlyisaunicorn

The following density function describes a random variable X.

1) f(x)=x/100 if 0 < x < 10 and 2) f(x)=(20−x)/100 if 10 < x < 20
Draw a graph of the density function and then use it to find the probabilities below:

A. Find the probability that X lies between 9 and 12.
Probability =

B. Find the probability that X is less than 11.
Probability =

C. Find the probability that X is greater than 8.
Probability =

Answers: 2

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