What 10per 2 The average number ot patients arming atmeemergency room distributi

Question

What 10per 2 The average number ot patients arming atmeemergency room distribution should be used in order to next hour? a. Binomial b Poisson d. Uniform 3. Which one of these variables is a binomial random a. Number of women taller than 68 inches in a random sample of 5 women b. Time it takes for a randomly selected student to complete a c. Number of textbooks a randomly selected student bought this term d. Number of DVDs a randomly selected person owns e. Number of games played until the first win. Suppose hitting oil at one drilling location is independent of another and t the probability of success is 0.3. What is the expected number of drillings occurs? 4. b. 3.3 C. d. 0.3 e. None of the above

Explanation / Answer

Ans:

1)a)discrete

b)continuous

c)discrete

d)continuous

e)discrete

2)Poisson distribution with average rate 10 per hr

3)Option a) is correct(number of woman taller than 68 inch in a sample of 5)

4)Expected number of drillings=np=11*0.3=3.3

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