According to The Yankee Group, 53% of all cable households rate cable companies as good or excellent in quality transmission. Sixty percent of all cable households rate cable companies as good or excellent in having professional personnel. Suppose 300 cable households are randomly contacted.

Appendix A Statistical Tables

a.

What is the probability that more than 180cable households rate cable companies as good or excellent in quality transmission? (Round z values and values to 2 places, e.g. 0.75. Round your final answer to 4 decimal places, e.g. 0.7589.) P(x > 180) = enter probability

b. What is the probability that between 170 and 175 (inclusive) cable households rate cable companies as good or excellent in quality transmission?

c. what is the probability that between 160 and 175 (inclusive) cable households rate cable companies as good or excellent in having professional personnel?

d. What is the probability that fewer than 205 cable households rate cable companies as good or excellent in having professional personnel?