A retail sales associate claims that the tax preparation methods of adults are distributed as follo 25% go to an accountant, 20% do their taxes by hand, 40% use a computer software, 6% get help from a friend and 9% use a tax prep service. The tax preparation company randomly selects adu and asks them how they prepare their taxes. Test the associate's claim at 5% significance Round to the fourth as needed. Observed Expected Categories Frequency Frequency Acct 70 Hand 51 Comp 140 Friend 22 Service 35 Test Statistic: Degrees of Freedom: p-val: Decision Rule: (Select an answer Did something significant happen? Select an answer There Select an answer v enough evidence to conclude Select an answer
A retail sales associate claims that the tax preparation methods of adults are distributed as follo 25% go to an accountant, 20% do their taxes by hand, 40% use a computer software, 6% get help from a friend and 9% use a tax prep service. The tax preparation company randomly selects adu and asks them how they prepare their taxes. Test the associate's claim at 5% significance Round to the fourth as needed. Observed Expected Categories Frequency Frequency Acct 70 Hand 51 Comp 140 Friend 22 Service 35 Test Statistic: Degrees of Freedom: p-val: Decision Rule: (Select an answer Did something significant happen? Select an answer There Select an answer v enough evidence to conclude Select an answer
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:A retail sales associate claims that the tax preparation methods of adults are distributed as follows:
25% go to an accountant, 20% do their taxes by hand, 40% use a computer software, 6% get help
from a friend and 9% use a tax prep service. The tax preparation company randomly selects adults
and asks them how they prepare their taxes. Test the associate's claim at 5% significance
Round to the fourth as needed.
Observed
Frequency Frequency
Expected
Categories
Acct
70
Hand
51
Comp
140
Friend
22
Service
35
Test Statistic:
Degrees of Freedom:
p-val:
Decision Rule: Select an answer
Did something significant happen? Select an answer
There (Select an answer v) enough evidence to conclude
Select an answer
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