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A Statistical Tutorial Centre has been designed to handle a maximum of 25 students per day. Suppose that the number X of students visiting this centre each day is a normal random variable with mean 15 and variance 16. Part a) What is the return period for this centre rounded to the nearest day? Part b) What is the probability that the designed number of visits will not be exceeded before the 10th day? Leave your answer in 3 decimal places.

A Statistical Tutorial Centre has been designed to handle a maximum of 25 students per day. Suppose that the number X of students visiting this centre each day is a normal random variable with mean 15 and variance 16. Part a) What is the return period for this centre rounded to the nearest day? Part b) What is the probability that the designed number of visits will not be exceeded before the 10th day? Leave your answer in 3 decimal places.

Calculus: Early Transcendentals
Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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A Statistical Tutorial Centre has been designed to handle a maximum of 25 students per day. Suppose that the number X of students visiting this centre each day is a normal random variable with mean 15 and variance 16. Part a) What is the return period for this centre rounded to the nearest day? Part b) What is the probability that the designed number of visits will not be exceeded before the 10th day? Leave your answer in 3 decimal places.
Transcribed Image Text:A Statistical Tutorial Centre has been designed to handle a maximum of 25 students per day. Suppose that the number X of students visiting this centre each day is a normal random variable with mean 15 and variance 16. Part a) What is the return period for this centre rounded to the nearest day? Part b) What is the probability that the designed number of visits will not be exceeded before the 10th day? Leave your answer in 3 decimal places.
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