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Erica is working on a project using software to find probabilities. She quickly realizes that her software cannot calculate some of the large factorials needed in finding some of the probabilities. For example, at a factory, 1000 people applied for 40 available positions. Even though 450 of the applicants were women, only 12 women were hired. She needs to find the probability of this occurring by random chance. Of course, realistically, she would probably want to find the probability of choosing at most 12 women. Find the approximate probability of randomly choosing 40 of the 1000 applicants and only 12 women are selected. You should find the approximate probability without using large factorials like 1000! Answer: ________________________ i know i use possion but how??

Erica is working on a project using software to find probabilities. She quickly realizes that her software cannot calculate some of the large factorials needed in finding some of the probabilities. For example, at a factory, 1000 people applied for 40 available positions. Even though 450 of the applicants were women, only 12 women were hired. She needs to find the probability of this occurring by random chance. Of course, realistically, she would probably want to find the probability of choosing at most 12 women. Find the approximate probability of randomly choosing 40 of the 1000 applicants and only 12 women are selected. You should find the approximate probability without using large factorials like 1000! Answer: ________________________ i know i use possion but how??

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.8: Probabilities Of Disjoint And Overlapping Events
Problem 2C
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  1. Erica is working on a project using software to find probabilities. She quickly realizes that her software cannot calculate some of the large factorials needed in finding some of the probabilities. For example, at a factory, 1000 people applied for 40 available positions. Even though 450 of the applicants were women, only 12 women were hired. She needs to find the probability of this occurring by random chance. Of course, realistically, she would probably want to find the probability of choosing at most 12 women.

Find the approximate probability of randomly choosing 40 of the 1000 applicants and only 12 women are selected. You should find the approximate probability without using large factorials like 1000!

Answer: ________________________

i know i use possion but how??

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