• Sketch and label the curve and shade the area indicated in the example. • Show any scratch work/ make note of, or list the function(s) that you used, such as "normal distribution" or "inverse cdf," "Complement rule," etc. Don't worry about the format for this, I want you to have these notes for the final :) • Round your answer to four places after the decimal. • You may use the desmos normal distribution calculator. 1. Americans receive an average of 17 Christmas cards each year. Suppose the number of Christmas cards is normally distributed with a standard deviation of 6. a) If an American is randomly chosen, find the probability that this American will receive 18 or less Christmas cards this year.
• Sketch and label the curve and shade the area indicated in the example. • Show any scratch work/ make note of, or list the function(s) that you used, such as "normal distribution" or "inverse cdf," "Complement rule," etc. Don't worry about the format for this, I want you to have these notes for the final :) • Round your answer to four places after the decimal. • You may use the desmos normal distribution calculator. 1. Americans receive an average of 17 Christmas cards each year. Suppose the number of Christmas cards is normally distributed with a standard deviation of 6. a) If an American is randomly chosen, find the probability that this American will receive 18 or less 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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Transcribed Image Text:c) If an American is randomly chosen,
find the probability that this American
will receive between 20 and 24
Christmas cards this year.
Result:
d) 79% of all Americans receive at most
how many Christmas cards? You may
round to the nearest whole number for
this question.
Result:
Transcribed Image Text:• Sketch and label the curve and shade
the area indicated in the example.
• Show any scratch work/ make note
of, or list the function(s) that you used,
such as "normal distribution" or "inverse
cdf," "Complement rule," etc. Don't worry
about the format for this, I want you to
have these notes for the final :)
• Round your answer to four places
after the decimal.
• You may use the desmos normal
distribution calculator.
1. Americans receive an average of 17
Christmas cards each year. Suppose the
number of Christmas cards is normally
distributed with a standard deviation of 6.
a) If an American is randomly chosen,
find the probability that this American
will receive 18 or less Christmas cards
this year.
Result:
b) If an American is randomly chosen,
find the probability that this American
will receive 12 or more Christmas cards
this year.
Result:
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