A Harris poll claims that each person in the US will spend an average of $92.12 on Halloween this year. Assume that spending is approximately normal with a standard deviation of $10.05. a) What is the probability that someone will spend more than $100 on Halloween this year? b) How much would someone have to spend to be in the top 15% of Halloween spending?
A Harris poll claims that each person in the US will spend an average of $92.12 on Halloween this year. Assume that spending is approximately normal with a standard deviation of $10.05. a) What is the probability that someone will spend more than $100 on Halloween this year? b) How much would someone have to spend to be in the top 15% of Halloween spending?
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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