1. An investment firm offers its customers municipal bonds that mature after varying numbers of years. Given that the cumulative distribution function of Y , the number of years to maturity for a randomly selected bond, is_______.
A) P(T=5)
B) P(T>3)
C) P(1.4
D) P(T≤ 5 | T ≥ 2)
2. Find the probability mass function, f(x) of the distribution.
3. The probability that a patient recovers from a delicate heart operation is 0.9. 7 patients have this operation. Of these 7
A) What is the probability that exactly 5 recover?
B) What is the probability that anywhere from 4 to 6 (inclusive) recover?
C) What is the probability that not less than 5 recover?
