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 distribution at the top of page 185 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.

Transcribed Image Text:

No. of Television Sets (x) 2 1234 No. of Residences (Frequency) 64 161 89 4 47 Total 361