
Z Scores & Standard Normal Distribution
Authored by AIREEN MANGOHON
Mathematics
12th Grade
CCSS covered
Used 4+ times

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55 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the formula to find the z-score for population?
z=X-M
z=σ-M/μ
z/M=μ
z=X-μ/σ
Tags
CCSS.HSS.ID.A.4
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Find the Z-score.
Mean = 22
Standard Deviation: 3.1
x = 29
2.26
16.45
-2.26
1.26
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Find the Z-score.
Mean = 21
Standard Deviation: 1.3
x = 22
0.77
5.33
1.07
1.26
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What is the probability that a score is under (left of) .73?
.7357
.7673
.7389
.7967
Tags
CCSS.HSS.ID.A.4
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What is the probability that a score is under (left of) 1.73?
.9484
.9664
.9573
.9582
Tags
CCSS.HSS.ID.A.4
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What is the probability that a score is under (left of) 2.37?
.9911
.9913
.9916
.9936
Tags
CCSS.HSS.ID.A.4
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What is the probability that a score is above (right of) 2.37?
.0116
.0089
.0068
.0051
Tags
CCSS.HSS.ID.A.4
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