one out of every three americans believes that the U.S. government should take \
ID: 3154168 • Letter: O
Question
one out of every three americans believes that the U.S. government should take "primary responsibility" for eliminating poverty in the United States. if 10 americans are selected, find the probability that at most 2 will believe that the US government should take primary responsibility for eliminating poverty. one out of every three americans believes that the U.S. government should take "primary responsibility" for eliminating poverty in the United States. if 10 americans are selected, find the probability that at most 2 will believe that the US government should take primary responsibility for eliminating poverty. one out of every three americans believes that the U.S. government should take "primary responsibility" for eliminating poverty in the United States. if 10 americans are selected, find the probability that at most 2 will believe that the US government should take primary responsibility for eliminating poverty.Explanation / Answer
one out of every three americans believes that the U.S. government should take "primary responsibility" for eliminating poverty in the United States. if 10 americans are selected, find the probability that at most 2 will believe that the US government should take primary responsibility for eliminating poverty.
Binomial distribution used.
P(X=x) = (nCx) px (1-p)n-x
n=10
p=1/3=0.3333
P( at most 2) = P(x 2)
=P( x=0)+P( x=1)+P( x=2)
=0.0174+0.0867+0.1951
=0.2992
Binomial Probabilities Table
X
P(X)
P(<=X)
P(<X)
P(>X)
P(>=X)
0
0.0174
0.0174
0.0000
0.9826
1.0000
1
0.0867
0.1041
0.0174
0.8959
0.9826
2
0.1951
0.2992
0.1041
0.7008
0.8959
Binomial Probabilities Table
X
P(X)
P(<=X)
P(<X)
P(>X)
P(>=X)
0
0.0174
0.0174
0.0000
0.9826
1.0000
1
0.0867
0.1041
0.0174
0.8959
0.9826
2
0.1951
0.2992
0.1041
0.7008
0.8959
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