Suppose the probability distribution for X = number of jobs held during the past year for students at a school is given in the following table.    number of jobs 0 1 2 3 4 probability  ??? 0.37 0.29 0.15 0.05 a. find the probability that a randomly selected student did not hold a job in the past year b. find the probability that a randomly selected student held two or fewer jobs in the past year c. find the probability that a randomly selected student held at least one job during the past year. d. Find the expected number of jobs that students held within the pas tyear

The probability that an adult possesses a credit card is.75. A researcher selects two adults at random. The probability that the first adult possesses a credit card and the second adult does not possess a credit card Type your answer here:

It has been estimated that only about 25% of residents in Ventura County have adequate earthquake supplies. Suppose you randomly survey 5 residents in the County. Let X be the number of residents who have adequate earthquake supplies. Please show the following answers to 4 decimal places. a. What is the probability that exactly 2 residents who have adequate earthquake supplies in this survey? b. What is the probability that less than 2 residents who have adequate earthquake supplies in this survey? c. What is the probability that at most 2 residents who have adequate earthquake supplies in this survey? d. What is the probability that between 1 and 3 (including 1 and 3) residents who have adequate earthquake supplies in this survey?

The accompanying table shows the numbers of male and female students in a particular country who received bachelor's degrees in business in a recent year. Complete parts (a) and (b) below. E Click the icon to view the data on business degrees. ..... (a) Find the probability that a randomly selected student is male, given that the student received a business degree. The probability that a randomly selected student is male, given that the student received a business degree, is (Round to three decimal places as needed.) Business Graduates (b) Find the probability that a randomly selected student received a business degree, given that the student is female. The probability that a randomly selected student received a business degree, given that the student is female, is (Round to three decimal places as needed.) Business degrees Nonbusiness degrees Total Male 199,313 600,822 800,135 1,065,757 1,865,892 Female 177,694 888,063 Total 377,007 1,488,885 Print Done