Refer to the table below. Given that 2 of the 167 subjects are randomly selected

Question

Refer to the table below. Given that 2 of the 167 subjects are randomly selected, complete parts (a) and (b) Group AB 14 7 15 50 14 48 13 Rh a. Assume that the selections are made with replacement. What is the probability that the 2 selected subjects are both group O and type Rh (Round to four decimal places as needed.) b. Assume the selections are made without replacement. What is the probability that the 2 selected subjects are both group O and type Rh? (Round to four decimal places as needed.)

Explanation / Answer

Ans:

a)With replacement:

P(O and Rh+)=(50/167)*(50/167)=0.0896

b)Without replacement:

P(O and Rh+)=(50/167)*(49/166)=0.0884

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