iii. iv. is the distribution of the average score exactly or approximately normal? Explain. The distribution of the average score is (circle one) exactly / approximately normally distributed. Because :. What is the probability that the average score of the 16 examinations is over 650? Answer:
iii. iv. is the distribution of the average score exactly or approximately normal? Explain. The distribution of the average score is (circle one) exactly / approximately normally distributed. Because :. What is the probability that the average score of the 16 examinations is over 650? Answer:
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
just need f. parts iii and iv
Transcribed Image Text:iii.
iv.
is the distribution of the average score exactly or approximately normal?
Explain.
The distribution of the average score is (circle one) exactly / approximately
normally distributed.
Because :.
What is the probability that the average score of the 16 examinations is over
650?
Answer:
Transcribed Image Text:1.
(a)
(b)
(c)
D
Scores on a certain nationwide college entrance examination follow a normal
distribution with a mean of 500 and a standard deviation of 100. Find the probability
that a student will score
(f)
over 650.
less than 459.
between 325 and 675.
(d)
If a school only admits students who score over 680, what proportion of the students
pool would be eligible for admission?
Answer:
i.
Answer:
ii.
Answer:
What limit (score) would you set that makes the top 20% of the students eligible?
(Choose closest number in table. Do not interpolate).
what is the expected average score?
Answer:
If 16 examinations are selected at random and their mean is calculated,
Answer:
Answer:
what is the standard deviation for the average score?
Answer:
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