An investment company offers its members a number of different payment options. For a randomly selected member, let X be the number of years between payments in succession. The cumulative distribution function of X is given by the figure shown. Determine the probability that X is greater than 4 but less than or equal to 7.

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Chapter1: Starting With Matlab
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An investment company offers its members a number of different payment options. For a randomly selected member, let X be the number of years between payments in succession. The cumulative distribution function of X is given by the figure shown. Determine the probability that X is greater than 4 but less than or equal to 7.

F(x) = 0, if x<1

0.4, if 1<=x<=3

0.6, if 3<=x<=5

0.8, if 5<=x<=7

1.0, if x=>7

 

 

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