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(8) 8. Highway speeds are normally distributed with a mean of 70 mph and a standard deviation of 9 mph. If I measure the speeds

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(8) 8. Highway speeds are normally distributed with a mean of 70 mph and a standard deviation of 9 mph. If I measure the speeds of the next 390 cars find the probability more than 200 are going over 68 mph? (4) 9. In order to qualify for a race you must be in the fastest 4.95% of all runners. The average time to run the race is 4.9 hours with a standard deviation of 1.1 hours. What is the longest time you can take to run the race and still qualify to be amongst the fastest? (6) 10. Find the probability of getting heads on a coin exactly one time in 3 flips of the coin? (you must flip the coin 3 times)

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