2. A department store receives an average of 5 returned items per day. The probability that a returned item has an available replacement is 0.65. [Hint: there are two separate distributions here.] a. b. C. Calculate the probability that there are more than 5 returned items in a certain day. Calculate the probability that there are 4 returned items in a certain day. Calculate the probability that there are 4 returned items and at least three have available replacements in a certain day.
2. A department store receives an average of 5 returned items per day. The probability that a returned item has an available replacement is 0.65. [Hint: there are two separate distributions here.] a. b. C. Calculate the probability that there are more than 5 returned items in a certain day. Calculate the probability that there are 4 returned items in a certain day. Calculate the probability that there are 4 returned items and at least three have available replacements in a certain day.
A First Course in Probability (10th Edition)
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ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
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![2.
A department store receives an average of 5 returned items per day. The probability that a returned item
has an available replacement is 0.65. [Hint: there are two separate distributions here.]
a.
b.
C.
d.
e.
ته نه
Calculate the probability that there are more than 5 returned items in a certain day.
Calculate the probability that there are 4 returned items in a certain day.
Calculate the probability that there are 4 returned items and at least three have available
replacements in a certain day.
Calculate the probability that there are 4 returned items and none has available
replacements in a certain day.
Calculate the variance and the mean of the returned items.
Calculate the variance and the mean of the replaced items.
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Transcribed Image Text:2.
A department store receives an average of 5 returned items per day. The probability that a returned item
has an available replacement is 0.65. [Hint: there are two separate distributions here.]
a.
b.
C.
d.
e.
ته نه
Calculate the probability that there are more than 5 returned items in a certain day.
Calculate the probability that there are 4 returned items in a certain day.
Calculate the probability that there are 4 returned items and at least three have available
replacements in a certain day.
Calculate the probability that there are 4 returned items and none has available
replacements in a certain day.
Calculate the variance and the mean of the returned items.
Calculate the variance and the mean of the replaced items.
2
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