Americans receive an average of 17 Christmas cards each year. Suppose the number of Christmascards is normally distributed with a standard deviation of 5. Let X be the number of Christmas cardsreceived by a randomly selected American. Round all answers to 4 decimal places where possible.a. What is the distribution of X? X ~ N(b. If an American is randomly chosen, find the probability that this American will receive no morethan 21 Christmas cards this year.c. If an American is randomly chosen, find the probability that this American will receive between 18and 22 Christmas cards this year.d. 63% of all Americans receive at most how many Christmas cards? (Please enter a whole number)

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Americans receive an average of 17 Christmas cards each year. Suppose the cards is normally distributed with a standard deviation of 5. Let X be the num received by a randomly selected American. Round all answers to 4 decimal pl a. What is the distribution of X? X - NG b. If an American is randomly chosen, find the probability that this American than 21 Christmas cards this year.

Americans receive an average of 17 Christmas cards each year. Suppose the cards is normally distributed with a standard deviation of 5. Let X be the num received by a randomly selected American. Round all answers to 4 decimal pl a. What is the distribution of X? X - NG b. If an American is randomly chosen, find the probability that this American than 21 Christmas cards this year.

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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