A manager at a local discount gym believes that less than 20% of gym members use the gym, at least 5 days a week. She randomly selects 100 gym members and tracks (using the electronic login system at the door) how many days they used the gym over the 2-week period. The following are the results:

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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A manager at a local discount gym Deneves that less than 20% of gym members use the
gym, at least 5 days a week. She randomly selects 100 gym members and tracks (using
the electronic login system at the door) how many days they used the gym over the
2-week period. The following are the results:
Search
2
5
3
6
67
6574&s
MO
3
CO
3
4
39447C
១០ ហ
10
6
4
14
6
1
B
6
4
m
1
SAMSUNG
2
2
Co
8
2
276
2
9
in N000 MO 00
5
12
8
10
10
5
B
13
9
1
m
in
5
-M MA
1
13
11
SUBMIT QUESTION
8
0050
6
8
B
2
11
7
2
4
5
3
B
6
B
7
6
TAOS
10
1
8
12
8
11
3
212 00
SAVE PROGRESS
1
3
100 N
12
8
2
2
25N25
10
SUBMIT ASS
Transcribed Image Text:A manager at a local discount gym Deneves that less than 20% of gym members use the gym, at least 5 days a week. She randomly selects 100 gym members and tracks (using the electronic login system at the door) how many days they used the gym over the 2-week period. The following are the results: Search 2 5 3 6 67 6574&s MO 3 CO 3 4 39447C ១០ ហ 10 6 4 14 6 1 B 6 4 m 1 SAMSUNG 2 2 Co 8 2 276 2 9 in N000 MO 00 5 12 8 10 10 5 B 13 9 1 m in 5 -M MA 1 13 11 SUBMIT QUESTION 8 0050 6 8 B 2 11 7 2 4 5 3 B 6 B 7 6 TAOS 10 1 8 12 8 11 3 212 00 SAVE PROGRESS 1 3 100 N 12 8 2 2 25N25 10 SUBMIT ASS
Test the manager's claim at the 2.5% level of significance.
Standard Normal Distribution Table
a. Calculate the test statistic.
Z
1.25
Round to two decimal places if necessary
Enter 0 if normal approximation to the binomial cannot be used
b. Determine the critical value(s) for the hypothesis test.
Search
144
SAMSUNG
SUBMIT QUESTION
SAVE PROGRESS
SUBMIT ASSIGNM
Transcribed Image Text:Test the manager's claim at the 2.5% level of significance. Standard Normal Distribution Table a. Calculate the test statistic. Z 1.25 Round to two decimal places if necessary Enter 0 if normal approximation to the binomial cannot be used b. Determine the critical value(s) for the hypothesis test. Search 144 SAMSUNG SUBMIT QUESTION SAVE PROGRESS SUBMIT ASSIGNM
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