SOLUTION: About 30% of adults in United States have college degree.
(probability that a person has college degree is p = 0.30).
If N adults are randomly selected, find probabilities
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Question 1041052: About 30% of adults in United States have college degree.
(probability that a person has college degree is p = 0.30).
If N adults are randomly selected, find probabilities that
1) exactly X out of selected N adults have college degree
2) less than X out of selected N adults have college degree
3) greater than X out of selected N adults have college degree
Choose your numbers for N and X.
You can use Excel Function Binomdist
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
About 30% of adults in United States have college degree.
(probability that a person has college degree is p = 0.30).
If N = 10 adults are randomly selected, find probabilities that
1) exactly X = 3 out of selected N = 10 adults have college degree
P(X=3) = 10C3*0.3^3*0.7^7 = binompdf(10,0.3,3) = 0.2668
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2) less than X=3 out of selected N=10 adults have college degree
P(0<= x <=2) = binomcdf(10,0.3,2) = 0.3828
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3) greater than X=3 out of selected N=10 adults have college degree
P(4<= X <=10) = 1 - binomcdf(10,0.3,3) = 0.3504
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Choose your numbers for N and X.
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Cheers,
Stan H.
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