An insurance company offers its policyholders a number of different premium payment options. For a randomly selected policyholder, let X = the number of months between successive payments. The cdf of...

Extracted text: An insurance company offers its policyholders a number of different premium payment options. For a randomly selected policyholder, let X = the number of months between successive payments. The cdf of X is as follows: X < 1=""><>< 3="" 0.31="" l0.43="" 3="">< 4="" f(x)="0.46" 4="">< 6="" 0.80="">< 12="" 12="">< x="" s="" 6)="" and="" p(4="" s="" x).="" p(3="" s="" xs="" 6)="P(4" s="" x)="">