Refer to the table below Given that 2 of the 111 subjects are randomly selected,

Question

Refer to the table below Given that 2 of the 111 subjects are randomly selected, complete pats (a) and (b) a. Assume that the selections are made with replacement What is the probability that the 2 selected subjects are both group B and type Rh * ? 0 0040 (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 B and type Rh * ? [] (Round to four decimal places as needed) Enter your answer m the answer box and then click Check Answer All parts showing

Explanation / Answer

a)

We have to select from group B and type Rh+. The probability of selecting one of them is 7/111=0.063. Selecting two with replacement would be 0.063^2=0.0039769.

b)

When selection is made without replacement, it would 7/111*6/110=0.063*0.054545=0.003436

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