How to find the probability for Binomial distribution.
Visits to Web sites. describe what kinds of Web sites do males aged 18 to 34 visit most often? Pornographic sites take first place however about 50% of male Internet users in this age group visit an auction site such as eBay at least once a month. Interview a random ex of 15 male Internet users aged 18 to 34.
a) describe what is the distribution of the number who have visited an online auction site in the past month?
b) describe what is the probability that at least 8 of the 15 have visited an auction site in the past month?