Chapter 5.1, Problem 1E

(a)

To determine

To Explain: the probability

Explanation of Solution

Given:

P=0.2=20%

It is expected that 20% of the time he turns into his favourite station. This result is expecting the frequency of the after many repetitions of the chance process.

(b)

To determine

To Explain: the probability

Explanation of Solution

Given:

P=0.2=20%

He tunes into station 5 times randomly selected, so commercial to be playing for 1 times (because of p=0.5). Therefore it is not mean that commercial to be playing for 1 times it may be 0,2,3,4 times.