The income tax refund for the 2009 tax year was $2872. Assume the refund per average person follows the normal probability distribution with a standard deviation of $982. Complete parts a through d below. ..... a. What is the probability that a randomly selected tax return refund will be more than $2000? (Round to four decimal places as needed.)
The income tax refund for the 2009 tax year was $2872. Assume the refund per average person follows the normal probability distribution with a standard deviation of $982. Complete parts a through d below. ..... a. What is the probability that a randomly selected tax return refund will be more than $2000? (Round to four decimal places as needed.)
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 16HP
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