An appliance store has the following probabilities for x =number of major appliances sold on a given day. x P(x) P(x) 0.1 0.06 0.15 0.05 0.25 8. 0.04 9. 0.14 0.025 4. 0.09 10 0.015 0.08 lity the store will sell 3 or fewer appliances. (a) Find the probability (b) Find the probability the store will sell 8 or more appliances. (c) Find the probability the store will sell between 3 and 5 appliances. (d) Find the expected number of appliances the store will sell. (e) Find the variance of the number of appliances the store will sell.

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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Can you do a, b, c?

An appliance store has the following probabilities for x =number
of major appliances sold on a given day.
x P(x)
P(x)
0.1
0.06
0.15
0.05
0.25
8.
0.04
9.
0.14
0.025
4.
0.09
10 0.015
0.08
lity the store will sell 3 or fewer appliances.
(a) Find the probability
(b) Find the probability the store will sell 8 or more appliances.
(c) Find the probability the store will sell between 3 and 5 appliances.
(d) Find the expected number of appliances the store will sell.
(e) Find the variance of the number of appliances the store will sell.
Transcribed Image Text:An appliance store has the following probabilities for x =number of major appliances sold on a given day. x P(x) P(x) 0.1 0.06 0.15 0.05 0.25 8. 0.04 9. 0.14 0.025 4. 0.09 10 0.015 0.08 lity the store will sell 3 or fewer appliances. (a) Find the probability (b) Find the probability the store will sell 8 or more appliances. (c) Find the probability the store will sell between 3 and 5 appliances. (d) Find the expected number of appliances the store will sell. (e) Find the variance of the number of appliances the store will sell.
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