
Understanding Normal Distribution and Probability
Interactive Video
•
Mathematics, Science, Education
•
9th - 12th Grade
•
Practice Problem
•
Hard
Amelia Wright
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the mean score of the class exam mentioned in the lesson?
78
85
9
74.5
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the standard deviation of the scores in the class exam?
78
9
0.8
0.2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the probability that a student scores higher than the test score 'c'?
0.35
0.8
0.2
0.65
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which tool is used to determine the value of 'c' in the lesson?
Excel
Desmos
R
Python
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the approximate value of 'c' when the probability of scoring higher is 20%?
85.57
9
74.5
78
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the area to the left of 'c' when the probability of scoring higher is 20%?
0.65
0.35
0.2
0.8
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the probability that a student scores less than the test score 'c' in the second part of the lesson?
0.35
0.65
0.2
0.8
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