Complete the following:
Q1: Probability- in Late 2007, it was reported that 79 percent of US adults owned a cell phone. Suppose that by the end of 2010, that percentage was 85 percent. If a sample of 10 adults is selected
What is the probability that
a.) 8 owned a cell phone
b.) At least 8 own a cell phone
c.) All 10 own a cell phone
Q2: If you selected the sample in a particular geographical area and found that none of the 10 respondents owned a cell phone, what conclusion might you reach about whether the percentage of cell phone owners in this area was 85%?