Math Ii Exam Worksheet - Boulton Stats Review
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11MATH-AII
Boulton Stats Review
[Exam ID:10BSP0] Scan Number:1254
1
Which of these situations involves a combination?
A Determining how many different groups of 3 employees can be chosen from 10 employees
B Determining how many different seating charts can be made placing 7 people around a table
Determining how many different ways 8 runners can be assigned lanes on a track for a
C
preliminary race
Determining how many different 6-letter passwords can be made using the letters in the
D
word "pencil"
2
The number of permutations of 8 objects taken 3 at a time is —
F 40,320
G 6,720
H 4,920
J 336
3
The heights of a large population of ostriches are normally distributed. Which is
closest to the percentage of these heights that is within 3 standard deviations of the
mean?
A 0.3%
B 5%
C 95%
D 99.7%
4
A normally distributed data set has a mean of 0 and a standard deviation of 0.5 .
Which is closest to the percent of values between -1 and 1 ?
F 34%
G 50%
H 68%
J 95%
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