I want all the choices (a, b, c,

College Algebra
10th Edition
ISBN:9781337282291
Author:Ron Larson
Publisher:Ron Larson
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 50E: Flexible Work Hours In a recent survey, people were asked whether they would prefer to work flexible...
icon
Related questions
icon
Concept explainers
Question

I want all the choices (a, b, c, d) solved

a. In an animal shelter, 100 cats and 50 dogs are being accommodated. Table below shows age group of the
cats and dogs. Is the probability of being old equal in cats and dogs? Make a hypothesis test and report a
p-value.
Dogs
Cats
Total
Old
40
70
110
Young
10
30
40
Total
50
100
150
b. In a smaller animal shelter, 12 cats and 5 dogs are being accommodated. Table below shows age group of
the cats and dogs. Is the probability of being old equal in cats and dogs? Make a hypothesis test and report
a p-value.
Dogs
Cats
Total
Old
4
7
11
Young
5
Total
12
17
c. What is the power of the test in part a?
d. How many animals should be included in the study to repeat the test with the same significance as
calculated in part a and %20 more power than calculated in part d?
Transcribed Image Text:a. In an animal shelter, 100 cats and 50 dogs are being accommodated. Table below shows age group of the cats and dogs. Is the probability of being old equal in cats and dogs? Make a hypothesis test and report a p-value. Dogs Cats Total Old 40 70 110 Young 10 30 40 Total 50 100 150 b. In a smaller animal shelter, 12 cats and 5 dogs are being accommodated. Table below shows age group of the cats and dogs. Is the probability of being old equal in cats and dogs? Make a hypothesis test and report a p-value. Dogs Cats Total Old 4 7 11 Young 5 Total 12 17 c. What is the power of the test in part a? d. How many animals should be included in the study to repeat the test with the same significance as calculated in part a and %20 more power than calculated in part d?
Expert Solution
steps

Step by step

Solved in 4 steps with 6 images

Blurred answer
Knowledge Booster
Points, Lines and Planes
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, statistics and related others by exploring similar questions and additional content below.
Recommended textbooks for you
College Algebra
College Algebra
Algebra
ISBN:
9781337282291
Author:
Ron Larson
Publisher:
Cengage Learning
Holt Mcdougal Larson Pre-algebra: Student Edition…
Holt Mcdougal Larson Pre-algebra: Student Edition…
Algebra
ISBN:
9780547587776
Author:
HOLT MCDOUGAL
Publisher:
HOLT MCDOUGAL