c. What is the probability that exactly ten of the 45 luxury cars sold are silver? d. What is the probability that at least ten of 45 luxury cars sold are silver? e. Find the mean and standard deviation of the number of silver luxury cars sold at dealership each month. mean = standard deviation =

c. What is the probability that exactly ten of the 45 luxury cars sold are silver? d. What is the probability that at least ten of 45 luxury cars sold are silver? e. Find the mean and standard deviation of the number of silver luxury cars sold at dealership each month. mean = standard deviation =

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...

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Question

According to "Infoplease," 19.1% of the luxury cars manufactured in 2003 were silver. A large car dealership typically sells 45 luxury cars a month.

c. What is the probability that exactly ten of the 45 luxury cars sold are silver?
d. What is the probability that at least ten of 45 luxury cars sold are silver?
e. Find the mean and standard deviation of the number of silver luxury cars sold at this
dealership each month.
mean =
standard deviation =

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