tion system. Find the mean and variance of the total amount spent by the four sampled homes. Give a range where this total is likely to fall.

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
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Question
y
1
2
3
4
p(y)
.09
.30
.37
.20
.04
Dust mite allergies. Exercise 4.2 (p. 138) gives the proba-
bility distribution for the number Y of homes with high
dust mite levels.
Transcribed Image Text:y 1 2 3 4 p(y) .09 .30 .37 .20 .04 Dust mite allergies. Exercise 4.2 (p. 138) gives the proba- bility distribution for the number Y of homes with high dust mite levels.
5. Dust mite allergies. Refer to Exercises 4.2 (p. 138) and
4.13 (p. 143). Each home with a dust mite level that ex-
ceeds 2µg/g will spend $2,000 for an allergen air purifica-
tion system. Find the mean and variance of the total
amount spent by the four sampled homes. Give a range
where this total is likely to fall.
Transcribed Image Text:5. Dust mite allergies. Refer to Exercises 4.2 (p. 138) and 4.13 (p. 143). Each home with a dust mite level that ex- ceeds 2µg/g will spend $2,000 for an allergen air purifica- tion system. Find the mean and variance of the total amount spent by the four sampled homes. Give a range where this total is likely to fall.
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