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MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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
Transcribed Image Text:After getting trounced by your little brother in a children's game, you suspect the die he gave you to roll may be unfair. To check, you roll it 96 times, recording
the number of times each face appears. Do these results cast doubt on the die's fairness? Complete parts a through g below.
a) If the die is fair, how many times would you expect each face to show?
b) To see if these results are unusual, will you test goodness-of-fit, homogeneity, or independence?
O A. Goodness-of-fit
O B. Independence
O C. Homogeneity
O D. Any of these tests will determine if these results are unusual.
c) State your hypotheses.
C
O A. Ho: The die is fair. HA: The die produces outcomes that are greater than the expected value.
O B. Ho: The die is fair. HA: The die is unfair.
O C. Ho: The die is fair. HA: The die produces outcomes that are less than the expected value.
O D. Ho: The die is unfair. HA: The die is fair.
d) Check the conditions. Is the counted data condition met?
O Yes
O No
Is the randomization condition met?
O Yes
O No
Face Count Face Count
4 17
1
12
2
18
5
8
3
11
6
30
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