Determine the following probabilities. a. For n = 4 and x = 0.14, what is P(X=0)? b. For n=9 and x = 0.50, what is P(X=8)? c. For n=9 and x=0.40, what is P(X= 7)?
Determine the following probabilities. a. For n = 4 and x = 0.14, what is P(X=0)? b. For n=9 and x = 0.50, what is P(X=8)? c. For n=9 and x=0.40, what is P(X= 7)?
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter6: Ratio, Proportion, And Probability
Section: Chapter Questions
Problem 31CR
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Answer A,B,C
Transcribed Image Text:Determine the following probabilities.
a. For n = 4 and += 0.14, what is P(X=0)?
b. For n=9 and = 0.50, what is P(X=8)?
c. For n=9 and = 0.40, what is P(X= 7)?
d. For n=6 and
= 0.87, what is P(X=5)?
a. When n = 4 and = 0.14, P(X=0)=
(Round to four decimal places as needed.)
Expert Solution
Step 1: Know that
X~Bin(n,p)
Here n is the number of trail and p is the probability of success.
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