# Question: Verify whether or not each of the following is a

Verify whether or not each of the following is a probability function. State your conclusion and explain.

a. f (x) = 3x/8x for x _ 1, 2, 3, 4

b. f (x) _ 0.125, for x _ 0, 1, 2, 3 and f (x) _ 0.25, for x _ 4, 5

c. f (x) _ (7 - x)/28, for x _ 0, 1, 2, 3, 4, 5, 6, 7

d. f (x) _ (x2 + 1)/60, for x _ 0, 1, 2, 3, 4, 5

a. f (x) = 3x/8x for x _ 1, 2, 3, 4

b. f (x) _ 0.125, for x _ 0, 1, 2, 3 and f (x) _ 0.25, for x _ 4, 5

c. f (x) _ (7 - x)/28, for x _ 0, 1, 2, 3, 4, 5, 6, 7

d. f (x) _ (x2 + 1)/60, for x _ 0, 1, 2, 3, 4, 5

**View Solution:**## Answer to relevant Questions

The number of ships to arrive at a harbor on any given day is a random variable represented by x. The probability distribution for x is as follows: Find the probability of the following for any a given day: a. Exactly 14 ...In a recent survey of women, 90% admitted that they had never looked at a copy of Vogue magazine. Assuming that this is accurate information, what is the probability that a random sample of three women will show that fewer ...A large shipment of radios is accepted upon delivery if an inspection of 10 randomly selected radios yields no more than 1 defective radio. a. Find the probability that this shipment is accepted if 5% of the total shipment ...A business firm is considering two investments. It will choose the one that promises the greater payoff. Which of the investments should it accept? (Let the mean profit measure the payoff.) In a USA Today Snapshot (June 1, 2009), the following statistics were reported on the number of hours of sleep that adults get. a. Are there any other values that the number of hours can attain? b. Explain why the total of ...Post your question