
Understanding Z-Scores and Probability with TI-84

Interactive Video
•
Mathematics
•
10th - 12th Grade
•
Easy
Standards-aligned

Emma Peterson
Used 2+ times
FREE Resource
Standards-aligned
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the goal when finding a Z-score in a standard normal distribution?
To calculate the standard deviation
To find the mean of the distribution
To determine the probability of Z being less than a certain value
To find a value C such that the probability of Z being greater than C is given
Tags
CCSS.HSS.ID.A.4
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is the Z-score positive when the area to the right is less than 0.5?
Because the mean is always positive
Because the standard deviation is negative
Because the area to the right is always greater than 0.5
Because the area to the right being less than 0.5 indicates a positive Z-score
Tags
CCSS.HSS.ID.A.4
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What must be entered into the TI-84 calculator's inverse norm command?
The probability to the right
The probability to the left
The Z-score directly
The mean and standard deviation
Tags
CCSS.HSS.ID.A.4
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you convert the probability to the right into the probability to the left?
Subtract the probability to the right from 1
Add the probability to the right to 1
Divide the probability to the right by 2
Multiply the probability to the right by 2
Tags
CCSS.HSS.ID.A.4
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which command on the TI-84 calculator is used to find the Z-score?
Standard Deviation
Mean Calculation
Inverse Norm
Normal CDF
Tags
CCSS.HSS.ID.A.4
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the total area under the standard normal distribution curve?
0.5
0.316
1
2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the default mean and standard deviation used by the TI-84 when they are not specified?
Mean = 0, Standard Deviation = 0
Mean = 0, Standard Deviation = 1
Mean = 1, Standard Deviation = 0
Mean = 1, Standard Deviation = 1
Tags
CCSS.HSS.ID.A.4
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