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2.1 Determine the probability that exactly 7 customers arrive in a given hour. 2.2 Determine the probability that at least 2 customers arrive in a given 15-minute period.

2.1 Determine the probability that exactly 7 customers arrive in a given hour. 2.2 Determine the probability that at least 2 customers arrive in a given 15-minute period.

A First Course in Probability (10th Edition)
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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Please assist with questions 2.1 and 2.2
pdf- Adobe Acrobat Reader DC (64-bit) Edit View Sign Window Help Home Tools CSTUDY Jan22_BC... x BCom ITM-Advan... 2/2 110% A Cher woIKIng at uE TEStauTamTanuumiy Seiecis ali avocauu ariu mius TE (O DE SuDstanuaru. vaiculale iuje prou this avocado came from supplier Q. The manager of the restaurant notices that customers arrive at the restaurant at an average rate of 10 customers per hour. Assume a Poisson distribution. 2.1 Determine the probability that exactly 7 customers arrive in a given hour. 2.2 Determine the probability that at least 2 customers arrive in a given 15-minute period. Customers at the restaurant have to wait an average of 25 minutes before they receive their meal from the time their order was placed. Assume these waiting times are normally distributed with a standard deviation of 5 minutes. What is the probability that a randomly selected customer waits between 20 and 35 minutes before receiving his meal from the time his order was placed? 3.1 What is the maximum waiting time for a customer to receive her meal if she is in the 10% of customers who receive their meals in the fastest time from when the order was placed? 3.2
Transcribed Image Text:pdf- Adobe Acrobat Reader DC (64-bit) Edit View Sign Window Help Home Tools CSTUDY Jan22_BC... x BCom ITM-Advan... 2/2 110% A Cher woIKIng at uE TEStauTamTanuumiy Seiecis ali avocauu ariu mius TE (O DE SuDstanuaru. vaiculale iuje prou this avocado came from supplier Q. The manager of the restaurant notices that customers arrive at the restaurant at an average rate of 10 customers per hour. Assume a Poisson distribution. 2.1 Determine the probability that exactly 7 customers arrive in a given hour. 2.2 Determine the probability that at least 2 customers arrive in a given 15-minute period. Customers at the restaurant have to wait an average of 25 minutes before they receive their meal from the time their order was placed. Assume these waiting times are normally distributed with a standard deviation of 5 minutes. What is the probability that a randomly selected customer waits between 20 and 35 minutes before receiving his meal from the time his order was placed? 3.1 What is the maximum waiting time for a customer to receive her meal if she is in the 10% of customers who receive their meals in the fastest time from when the order was placed? 3.2
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