The following table shows the number of correctly and incorrectly filled out tax forms obtained from a random sample of 100 returns examined by the Internal Revenue Service (IRS) in a recent year. Correct Incorrect Totals Short form (1040A) Long Form (1040) No Itemized No Itemized Itemized Deductions Deductions 10 50 10 10 20 60 Deductions Totals 10 70 10 30 20 100 Find the probability that a form was a long form (1040) or an incorrectly filled out form. (Enter your probability as a fraction.)

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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The following table shows the number of correctly and incorrectly filled out tax forms obtained from a random sample of 100 returns
examined by the Internal Revenue Service (IRS) in a recent year.
Correct
Incorrect
Totals
Short form
(1040A)
Long Form (1040)
No Itemized No Itemized Itemized
Deductions Deductions
10
50
10
10
20
60
Deductions Totals
10
10
20
70
30
100
Find the probability that a form was a long form (1040) or an incorrectly filled out form. (Enter your probability as a fraction.)
Transcribed Image Text:The following table shows the number of correctly and incorrectly filled out tax forms obtained from a random sample of 100 returns examined by the Internal Revenue Service (IRS) in a recent year. Correct Incorrect Totals Short form (1040A) Long Form (1040) No Itemized No Itemized Itemized Deductions Deductions 10 50 10 10 20 60 Deductions Totals 10 10 20 70 30 100 Find the probability that a form was a long form (1040) or an incorrectly filled out form. (Enter your probability as a fraction.)
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