Question #14 At an intersection, a driver has four choices: turn left, turn right, go straight ahead, or turn around. If each choice is equally likely, find the probability that the driver makes at least two left-hand turns at the next 7 intersections. Hint: Use Bernoulli Trials.Question #19 A bag containing 200 unfair coins is dumped onto a table. The probability of HEADS is 0.43 on every coin. Let the random variable X be the number of TAILS that appear. a. Find the expected value of X. I). Find the variance of X. c. Find the standard deviation of X