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. f. 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.

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
icon
Related questions
Question
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
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
Expert Solution
steps

Step by step

Solved in 4 steps with 4 images

Blurred answer
Similar questions
Recommended textbooks for you
A First Course in Probability (10th Edition)
A First Course in Probability (10th Edition)
Probability
ISBN:
9780134753119
Author:
Sheldon Ross
Publisher:
PEARSON
A First Course in Probability
A First Course in Probability
Probability
ISBN:
9780321794772
Author:
Sheldon Ross
Publisher:
PEARSON