ou are to roll a fair die n=108  times, each time observing the number of dots appearing on the top side of the die. The number of dots showing on the topside of toss i is a random variable represented by Xi, i=1,2,⋯,108. (a) Consider the distribution of the random variable Xi. Find the mean and the standard deviation of the number of dots showing on the uppermost face of a single roll of this die. μXi= ____________ Enter your answer using all the decimals you can. σXi= ____________ Enter your answer using all the decimals you can.   (b) What is the probability that the average topside on your  tosses will be somewhere between 3.4 and 3.7? Enter your answer using all the decimals you can. _____________ (c) What is the probability that the average of your  tosses is greater than 4.15? Enter your answer using all the decimals you can.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 22PFA
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You are to roll a fair die n=108  times, each time observing the number of dots appearing on the top side of the die. The number of dots showing on the topside of toss i is a random variable represented by Xi, i=1,2,⋯,108.

(a) Consider the distribution of the random variable Xi. Find the mean and the standard deviation of the number of dots showing on the uppermost face of a single roll of this die.
μXi= ____________ Enter your answer using all the decimals you can.
σXi= ____________ Enter your answer using all the decimals you can.

 

(b) What is the probability that the average topside on your  tosses will be somewhere between 3.4 and 3.7? Enter your answer using all the decimals you can.

_____________

(c) What is the probability that the average of your  tosses is greater than 4.15? Enter your answer using all the decimals you can.

______________

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