In a scientific study there are 10 guinea pigs, 4 of which are pregnant. If 3 are selected at random without replacement, find the probability that all are pregnant. Enter the answer in decimal formal and round to 3 decimal places, if necessary. The probability that all 3 are pregnant. A/

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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In a scientific study there are 10 guinea pigs, 4 of which are pregnant. If 3 are
selected at random without replacement, find the probability that all are pregnant.
Enter the answer in decimal formal and round to 3 decimal places, if necessary.
The probability that all 3 are pregnant.
I
Hide hint for Question 4
PJ
Multiplication Rule 2
When two events A and B are dependent, the probability of both occurring is
P(A and B) = P(A) · P (B|A)
Transcribed Image Text:▶ 4) Listen In a scientific study there are 10 guinea pigs, 4 of which are pregnant. If 3 are selected at random without replacement, find the probability that all are pregnant. Enter the answer in decimal formal and round to 3 decimal places, if necessary. The probability that all 3 are pregnant. I Hide hint for Question 4 PJ Multiplication Rule 2 When two events A and B are dependent, the probability of both occurring is P(A and B) = P(A) · P (B|A)
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