Among cable TV customers, let X denote the number of television sets in a single-family residential dwelling.

Question:

Among cable TV customers, let X denote the number of television sets in a single-family residential dwelling. From an examination of the subscription records of 361 residences in a city, the frequency is obtained.

(a) Based on these data, obtain an approximate determination of the probability distribution of X.
(b) Why is this regarded as an approximation?
(c) Plot the probability histogram.

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...