Normal Distribution (None empirical)
Quiz
•
Mathematics
•
9th - 12th Grade
•
Easy
Standards-aligned
Jorge Batrez
Used 6+ times
FREE Resource
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18 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
The average waist size for teenage males is 29 inches with a standard deviation of 1.4 inch.
If waist sizes are normally distributed, estimate the proportion of teenagers who will have waist sizes greater than 31 inches?
Tags
CCSS.HSS.ID.A.4
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
What's the probability of x < 13 ?
(Mean = 20, Standard dev = 6.5)
0.1423
0.1401
0.0446
0.0359
Tags
CCSS.HSS.ID.A.4
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
What's the probability of 49 < x < 51 ?
(Mean = 50, Standard dev = 6.5)
0.1192
0.1251
0.1587
0.0875
Tags
CCSS.HSS.ID.A.4
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
The mean number of accidents a week at a company is 6.4 with a standard deviation of 1.5. What proportion of weeks would you expect to have more than 7 accidents?
Tags
CCSS.HSS.ID.A.4
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
The mean number of accidents a week at a company is 6.4 with a standard deviation of 1.5. What proportion of weeks would you expect to have less than 5 accidents?
Tags
CCSS.HSS.ID.A.4
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A bank's loan officer rates applicants for credit. The ratings can be described by a Normal model with a mean of 200 and a standard deviation of 50. What percentage ratings can be expected to be between 200 and 275?
43.31%
56.71%
38.61%
29.87%
Tags
CCSS.HSS.ID.A.4
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The lengths of human pregnancies can be described by a Normal model with a mean of 268 days and a standard deviation of 15 days. What percentage of pregnancies will last at least 300 days?
1.64%
98.36%
12.34%
56.19%
Tags
CCSS.HSS.ID.A.4
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