Normal Distributions Answers
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1
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Which of the following can be modeled by a Normal curve?
A
[Image: A graph has science scores on the x-axis. 8 bars g...]
B
[Image: A graph has history scores on the x-axis. All bars...]
C
[Image: A graph has art scores on the x-axis. The bars inc...]
D
[Image: A graph has math scores on the x-axis. The bars in...]
159722
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Complete the statements based on the Normal distribution.
Answers:
of the employees make $8 per hour or less.:2.5%
of the employees make $9 per hour or less.:97.5%
159723
2.5%5%95%✔ 97.5%
A
2.5%B
5%C
95%D
✔ 97.5%159724
18.568✔ 81.595
A
18.5B
68C
✔ 81.5D
95159725
Question text not available
Answer:
159721
159726
What is the best estimate of the standard deviation of the Normal distribution?
A
0.5B
1.0C
3.0D
5.0159727
What percentage of students scored 78.5 or better?
A
16%B
32%C
34%D
68%159728
What percentage of soccer balls from the factory have a pressure between 8.1 and 8.7 PSI?
A
0.3%B
49.85%C
50%D
99.7%159729
⇒ 56.0
Answer:
159751
159731
Complete the statements based on the Normal distribution.
Answers:
of the employees make $8 per hour or less.:2.5%
of the employees make $9 per hour or less.:97.5%
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