SOLUTION: Thirty-two percent of workers in the United States are
college graduates.You randomly select 50 workers and ask each if he or she
is a college graduate. (Source: U.S. Bureau of L
Algebra.Com
Question 241734: Thirty-two percent of workers in the United States are
college graduates.You randomly select 50 workers and ask each if he or she
is a college graduate. (Source: U.S. Bureau of Labor Statistics)
(a) Find the probability that exactly 12 workers are college graduates.
(b) Find the probability that at least 14 workers are college graduates.
(c) Find the probability that fewer than 18 workers are college graduates.
(d) A committee is looking for 30 working college graduates to volunteer
at a career fair. The committee randomly selects 150 workers.What is
the probability that there will not be enough college graduates?
Answer by edjones(8007) (Show Source): You can put this solution on YOUR website!
a) exactly 12
50C12*c^12*n^38
50C12=1.214*10^11
1.214*10^11*.32^12*.68^38=.0604
.
Ed
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