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11) A sample of 350 students was selected and each was asked the make of their automobile (foreign or 11) domestic) and their year in college (freshman, sophomore, junior, or sailor). The results are shown in the table below. unior Senior Total Given that you know the selected student is in the senior 1class, find the probability they drive a don automobile. A) 10135 B) 15,850 C) 15,005 D) 25:55 Find the indicated probability. 12) In a blood testing procedure, blood samples from 4 people are combined into one mixture. The 12) mixture will only test negative if all the individual samples are negative. If the probability that an individual sample tests positive is 0.08, what is the probability that the mixture will test positive? A) 0.284 B) 1.00 C) 0.716 D) 0.0000410 Find the mean of the given probability distribution. 13) The random variable x is the number of houses sold by a realtor in a single month at the Sendsom's 13) Real Estate office. its probability distribution is as follows. Houses Sold (x) Probabili P(x) 0 0.24 1 0.01 2 0.12 3 0.16 4 0.01 5 0.14 6 0.1 1 7 0.21 A) 3.40 B) 3.60 C) 3.35 D) 3.50 Solve the problem. 14) In a game, you have a 1,331 probability of win-ling $71 and a 30131 probability of losing $9. What is 14) your expected value? A) -$6.42 B) $11.00 C) $2.29 D) -$8.71 Assume that a procedure yields a binomial distribution with a trial repeated n times. Use the binomial probability formula to find the probability of x successes given the probability p of success on a single trial. 1 15)n=10,x=2,p= 15) A) 0.0028 B) 0.1951 C) 0.2155 D) 0.1929 Solve the