9. Births in a hospital occur randomly at an average rate of 1.8 births per hour. process is a Po...

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9. Births in a hospital occur randomly at an average rate of 1.8 births per hour. process is a Poisson random variable. Assum

10. Suppose that on average 50% of the population approves of the job the gove mor is doing with a standard deviation of 4. A

11. The amount of timc, in minutes, that a person must smiles per day to keep himselfhealth, is uniformily distributed betwee

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9. Births in a hospital occur randomly at an average rate of 1.8 births per hour. process is a Poisson random variable. Assume that birth (3 pts) What about the probability of observing more than or equal to 2 births in a given hour at the hospital? b. e opo Wahat he probabiliy h dly 10 biths n day t d. What is the expected number of births in two hours?
10. Suppose that on average 50% of the population approves of the job the gove mor is doing with a standard deviation of 4. A sample of 20 individuals are drawn at random from the population. Solve the following using the normal distribution. a. (3 pts) What is the probability that 7 or fewer people will support the govemor? b. (3 pts) What is the probability that more than 10 people will support the governor? (2 pts) What is the probability that between S and 22 people will support the governor? c. d. (2 pts) If the probability that the peoples will support governor not exceed T is equal to 90%, find the value of T? (i.e. P(X

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