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Probability

Given that 2 of 211 subjects are randomly selected, complete parts 1 and 2

GROUP
O A B AB
Type RH+ 83 56 17 15
RH- 19 15 4 2

1) Assume that the selections are made with replacements. What is the probability that the 2 selected subjects are both group A and type Rh+? _____ (round to four decimal places)

2) Assume the selections are made without replacements. What is the probability that the 2 selected subjects are both group A and type Rh+? _____ (round to four decimal places)

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Solution Summary

The solution provides step by step method for the calculation of probabilities. Formula for the calculation is also included.

$2.19