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Author Question: A high school play has five roles to fill with students. Seven girls and nine boys have expressed an ... (Read 109 times)

formula1

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on: Jun 24, 2018
A high school play has five roles to fill with students. Seven girls and nine boys have expressed an interest in the play. What is the probability that exactly 3 girls will be selected?

Question 2

Find the standard deviation of the number of children in an Egyptian household.


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ebonylittles

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Reply #1 on: Jun 24, 2018
Answer to Question 1

0.288

Answer to Question 2

1.2844


formula1

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Reply 2 on: Jun 24, 2018
Thanks for the timely response, appreciate it

Zebsrer

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Reply 3 on: Yesterday
Wow, this really help

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