The relative frequency distribution of the number of phobias reported by a hypothetical sample of 500 college

Question:

The relative frequency of the number of phobias reported by a hypothetical sample of 500 college students is given as follows.
0-2 ..................................... .49
3-5 ..................................... .28
6-6 ..................................... .11
9-11 ..................................... .09
12-14 ................................... .03
(a) What is the probability that a college student expresses fewer than three phobias?
(b) What is the probability that a college student expresses more than eight phobias?
(c) What is the probability that a college student has between 3 and 11 phobias?
Distribution
The word "distribution" has several meanings in the financial world, most of them pertaining to the payment of assets from a fund, account, or individual security to an investor or beneficiary. Retirement account distributions are among the most...