PS_Unit 3_Finding Distribution Probabilities Using Desmos
Interactive Video
•
Mathematics
•
9th - 12th Grade
•
Practice Problem
•
Hard
Daphne Long
FREE Resource
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 4 pts
What are the population mean and population standard deviation of a standard normal distribution?
Mean = 0, Standard Deviation = 1
Mean = 1, Standard Deviation = 0
Mean = 0, Standard Deviation = 0
Mean = 1, Standard Deviation = 1
2.
MULTIPLE CHOICE QUESTION
30 sec • 4 pts
To find the probability P(z > 0.4) for a standard normal distribution using Desmos, what values should be entered for the Min and Max in the 'Find Cumulative Probability (CDF)' section?
Min: -∞, Max: 0.4
Min: 0.4, Max: ∞
Min: 0, Max: 0.4
Min: 0.4, Max: 1
3.
MULTIPLE CHOICE QUESTION
30 sec • 4 pts
To find the probability P(z < -1.2) for a standard normal distribution using Desmos, what should be the Min and Max values in the 'Find Cumulative Probability (CDF)' section?
Min: -1.2, Max: ∞
Min: -∞, Max: -1.2
Min: -1.2, Max: 0
Min: 0, Max: -1.2
4.
MULTIPLE CHOICE QUESTION
30 sec • 4 pts
To find the probability P(-2.3 < z < 1.2) for a standard normal distribution using Desmos, what should be the Min and Max values in the 'Find Cumulative Probability (CDF)' section?
Min: -2.3, Max: 1.2
Min: 1.2, Max: -2.3
Min: , Max: 1.2
Min: -2.3, Max:
5.
MULTIPLE CHOICE QUESTION
30 sec • 4 pts
Why do we need to select the CDF option?
To determine the mean of a random variable.
So the graph will display the mean at the center.
To get the sum of all of the areas.
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