Solution Found!
The director of admissions at Kinzua University in Nova
Chapter 6, Problem 6E(choose chapter or problem)
The director of admissions at Kinzua University in Nova Scotia estimated the distribution of student admissions for the fall semester on the basis of past experience. What is the expected number of admissions for the fall semester? Compute the variance and the standard deviation of the number of admissions.
Admissions |
Probability |
1,000 |
.6 |
1,200 |
.3 |
1,500 |
.1
|
Questions & Answers
QUESTION:
The director of admissions at Kinzua University in Nova Scotia estimated the distribution of student admissions for the fall semester on the basis of past experience. What is the expected number of admissions for the fall semester? Compute the variance and the standard deviation of the number of admissions.
Admissions |
Probability |
1,000 |
.6 |
1,200 |
.3 |
1,500 |
.1
|
ANSWER:
Step 1 of 2
Now we have to find the expected no.of admissions
Given that
Admissions |
Probability |
1000 |
0.6 |
1200 |
0.3 |
1500 |
0.1 |
Total |
1 |
The expected no.of admissions =
=
= 1000(0.6) + 1200(0.3) + 1500(0.1)
= 1110
Hence the expected no.of admissions in the fall semester is 1110