Exam 3

3. Privacy is a concern for many users of the internet. One survey showed that 62% of internet users are somewhat concerned about confidentiality of their email. A random sample of 9 people is taken. Use this information to find the following. a) The probability that all people sampled are somewhat concerned about confidentiality of their email. b) The probability that 4 or fewer people sampled are somewhat concerned about confidentiality of their email. c) The probability that exactly 7 people sampled are somewhat concerned about confidentiality of their email. d) The probability that more than 6 people sampled are somewhat concerned about confidentiality of their email. e) The probability that between 2 and 5 of the people sampled are somewhat concerned about confidentiality of their email