Probability and Statistics Normal Distribution Practice

Quiz
•
Mathematics
•
12th Grade
•
Hard
Anthony Clark
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which is NOT true about the standard normal distribution?
It is bell-shaped.
It is unimodal.
The mean is 0 and the standard deviation is 1.
It is asymmetrical.
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
According to the empirical rule, how much of the data falls within 3 standard deviations?
25%
68%
95%
99.7%
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Use the following information and the Empirical Rule to estimate the answer.
The ages of golfers are normally distributed, with a mean of 38 and a standard deviation of 4.
Find the percentage of golfers that are between 30 and 46 years old.
68%
94%
95%
99.7%
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Use the following information and the Empirical Rule to estimate the answer.
The ages of golfers are normally distributed, with a mean of 38 and a standard deviation of 4.
There are 500 golf members at the Mathy Country Club. How many are younger than 34?
16
80
100
150
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Given a mean of 75 and a standard deviation of 7, what percentage of scores are above 82?
34%
81.5%
16%
2.5%
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Given a mean of 75 and a standard deviation of 7, how many students out of 500 would score between 68 and 82
11
2
340
498
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Given a mean of 75 and a standard deviation of 7, how many students out of 500 would score higher than 68?
11
12
420
250
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