Netflix. In a residential area in your country, which has 152 residents, half of the residents own paid Netf lix memberships. A random sample was selected from the residential area, and it was found that the first three residents selected have paid Netf lix memberships.

a) What is the probability that all three randomly selected residents have paid Netf lix memberships?

b) Would you doubt that half of the residents own paid Netflix memberships in that area? Explain.

c) Would you continue to believe that half of the residents own paid Netflix memberships if the fourth selected resident also owned a paid Netf lix membership? Explain.