6. An average of 10 patients arrive at a hospital accident and emergency department inevery hour.(a) Find the probability that, during any 90 minute period, the number of patientsarriving at the hospital accident and emergency department isi. exactly 7;ii. at least 2.(b) A patient arrives at 11:30am, find the probability that the next patient arrives be-fore 11:45am.

Answered: Image /qna-images/answer/9870582b-807c-4c09-93d9-2b42df90bef6.jpg

Answered: (a) Find the probability that, during…

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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(a) Find the probability that, during any 90 minute period, the number of patients arriving at the hospital accident and emergency department is i. exactly 7; ii. at least 2. (b) A patient arrives at 11:30am, find the probability that the next patient arrives be- fore 11:45am.