The results of a June, 2007 poll which asked Americans "What do you think is the 'ideal number of children?" are given in the following probability distribution of X: Ideal number, X: 1 2 4 5 P(X): 0.02 0.05 0.54 0.26 0.09 0.04 A. 0.93 What is the probability an American believes at least 2 children are ideal? B. 0.87 C. 2.47 What is the probability an American believes no more than 3 children are ideal? D. 0.54 E. 0.61 Calculate the expected value rounded to 2 decimal places. F. 1.60 G. 2.00
The results of a June, 2007 poll which asked Americans "What do you think is the 'ideal number of children?" are given in the following probability distribution of X: Ideal number, X: 1 2 4 5 P(X): 0.02 0.05 0.54 0.26 0.09 0.04 A. 0.93 What is the probability an American believes at least 2 children are ideal? B. 0.87 C. 2.47 What is the probability an American believes no more than 3 children are ideal? D. 0.54 E. 0.61 Calculate the expected value rounded to 2 decimal places. F. 1.60 G. 2.00
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
Transcribed Image Text:QUESTION 10
The results of a June, 2007 poll which asked Americans "What do you think is the 'ideal' number of children?" are
given in the following probability distribution of X:
Ideal number, X:
1
4
P(X):
0.02
0.05
0.54 0.26
0.09
0.04
A. 0.93
What is the probability an American
believes at least 2 children are ideal?
B. 0.87
C. 2.47
What is the probability an American
believes no more than 3 children are ideal?
D. 0.54
E. 0.61
Calculate the expected value rounded to 2
decimal places.
F. 1.60
G. 2.00
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