A local county has an unemployment rate of 6%. A random sample of 15 employable people are picked at random from the county and are asked if they are employed. Round answers to 4 decimal places. a) Find the probability that exactly 3 in the sample are unemployed. b) Find the probability that there are fewer than 4 in the sample are unemployed. c) Find the probability that there are more than 3 in the sample are unemployed. m go d) Find the probability that there are at most 4 in the sample are unemployed