a) It has been noted that 30 percent of the cars parked in a particular car park will be Toyota models. If 12 of the cars in the car park are randomly chosen, what is the probability that 2 to 5 cars will be Toyota models? (b) Between the hours of 8 am and 4 pm, Directory Enquires receives on average 2 calls per minute. Determine the probability that at least 4 calls are received in a given minute between 8 pm to 4 pm.

"Since you have asked multiple questions, we will solve the first question for you. If you want any…

a) It has been noted that 30 percent of the cars parked in a particular car park will be Toyota models. If 12 of the cars in the car park are randomly chosen, what is the probability that 2 to 5 cars will be Toyota models?

a) It has been noted that 30 percent of the cars parked in a particular car park will be Toyota models. If 12 of the cars in the car park are randomly chosen, what is the probability that 2 to 5 cars will be Toyota models?

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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(b) Between the hours of 8 am and 4 pm, Directory Enquires receives on average 2 calls per minute. Determine the probability that at least 4 calls are received in a given minute between 8 pm to 4 pm.

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