SOLUTION: The proportion of adults 25 and older in a certain country with at least a bachelor's degree is 0,25. Suppose you pick seven adults at random. What is the probability that exactl

Question 1160746: The proportion of adults 25 and older in a certain country with at least a bachelor's
degree is 0,25. Suppose you pick seven adults at random. What is the probability
that exactly three will have a bachelor's degree or higher?
Answer by ikleyn(52877) (Show Source): You can put this solution on YOUR website!
.


It is the binomial type probability distribution.


The number of trial n= 7; the probability of the success trial is  0.25,  and the number of success trial k = 3. 


    P =  =  = 0.173035.     ANSWER

Solved.

RELATED QUESTIONS
the proportion of adults 25 and older in a certain country with at least a bachelor's... (answered by ikleyn)

According to the U. S. Census Bureau, in 2003 approximately 27% of residents in the... (answered by ewatrrr)

According to a government statistics department, 19.3% of women in a... (answered by trsomas23@gmail.com)

n a study of government financial aid for college students, researchers needed to... (answered by Boreal)

The table represent 2028 residents age 25 years or older in regard to educational... (answered by stanbon)

The literacy rate for a nation measures the proportion of people age 15 and over that can (answered by Boreal)

A survey of 2309 2309 adults in a certain large country aged 18 and older conducted by (answered by Boreal)

The head accountant at Raglan resources is concerned over the clerical errors on... (answered by stanbon,duotmto)

I am having trouble on a problem from my homework assignment. This is the question word... (answered by MathLover1,ikleyn)