1. A child of a specific set of parents has a 0.2 chance of having type O blood. Suppose these parents have 4 children. Let X=the number of children having type O blood.

a) Verify that this is a binomial setting and write the notation (B(n,p)).

b) What is the probability that exactly 2 of the children have type O blood?

c) Make a probability distribution table for X = 0 to 4. Verify that the sum of these probabilities is 1.

d) Construct a histogram of the probability distribution.(Please check with your instructor on how to submit your work)

2. Dilbert forgot to study for the multiple-choice exam. Each question has four choices and there are 50 questions. Dilbert, in his infinite wisdom, decides to randomly guess on each problem. Find the probability for each:
a) If Dilbert gets 30 or more right, he will be named the company CEO.
b) If Dilbert gets 20 to 29 right, he will be promoted and get a 10% raise.
c) If Dilbert gets 10 to 19 right, he will get to keep his menial job and pay.
d) If Dilbert gets less than 10 right, he will be kicked out of cubicle central and unemployed.

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Status NEW Posted 30 Aug 2017 02:08 PM My Price 5.00

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