SOLUTION: Fifteen percent of all undergraduates at a university are chemistry majors. In a random sample of six students, find the probability that exactly two are chemistry majors.

Algebra.Com
Question 596219: Fifteen percent of all undergraduates at a university are chemistry majors. In a random sample of six students, find the probability that exactly two are chemistry majors.
Answer by stanbon(75887)   (Show Source): You can put this solution on YOUR website!
Fifteen percent of all undergraduates at a university are chemistry majors. In a random sample of six students, find the probability that exactly two are chemistry majors.
--------
Binomial Problem with n = 6 and p(chem) = 0.15
----
P(x = 2) = 6C2(0.15)^2*(0.85) = binompdf(6,0.15,2) = 0.0028
=================
Cheers,
Stan H.
=================

RELATED QUESTIONS

in 1970, kutztown university had fifteen chemistry majors in septembe, and by december... (answered by )
in 1970 kutztown university had fifteen chemistry majors in september, and by december... (answered by RAY100)
In a large university, 20% of the students are business majors. A random sample of 100... (answered by stanbon)
Undergraduate enrollment. It has been found that 85.6% of all enrolled college and... (answered by )
The ratio of graduate students to undergraduates at a certain university is 9 to 5. If... (answered by lwsshak3)
13.Use the normal approximation to the binomial distribution to answer this question.... (answered by rothauserc)
In 2007-2008, 34% of all undergraduates took out a Federal Stafford Loan. If a random... (answered by stanbon)
a university has 25000 students:0.1% of these students are majoring in math. how many... (answered by Kasandra24)
In a certain college, 33% of the physics majors belong to ethnic minorities. Find the... (answered by lynnlo)