SOLUTION: If 80% of job applicants are able to pass a computer literacy test, find the mean, standard deviation and variance of the number of people who pass the exam in a sample of 150 appl
Algebra.Com
Question 747374: If 80% of job applicants are able to pass a computer literacy test, find the mean, standard deviation and variance of the number of people who pass the exam in a sample of 150 applicants.
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
If 80% of job applicants are able to pass a computer literacy test, find the mean, standard deviation and variance of the number of people who pass the exam in a sample of 150 applicants.
----
mean = np = 150*0.8
std = sqrt(npq) = sqrt(150*0.8*0.2)
variance = (std)^2
======================
Cheers,
Stan H.
RELATED QUESTIONS
If 80% of job applicants are
able to pass a computer literacy test, find the mean,... (answered by MathLover1)
If 80% of job applicants are
able to pass a computer literacy test, find the mean,... (answered by Boreal)
If 80% of the applicants are able to pass a driver's proficiency road test, find the... (answered by stanbon)
If 80% of the applicants are able to pass a driver's proficiency road test, find the... (answered by richard1234)
The scores of 9 job applicants in a 15-item Math exam are as follows: 6, 12, 15, 9,... (answered by Boreal)
In order to qualify for a police academy, applicants are given a test of physical... (answered by Boreal)
Find the mean, variance, and standard deviation of n=80,... (answered by stanbon)
If 9% of all calculators are defective, find the mean, variance and standard deviation of (answered by robertb)
If 2% of all calculators are defective, find the mean, variance, and standard deviation... (answered by stanbon)