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.

College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter8: Sequences, Series, And Probability
Section8.7: Probability
Problem 42E
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Can you do c, d, e?

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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