
Understanding Sample Means and Probabilities

Interactive Video
•
Mathematics, Science
•
9th - 12th Grade
•
Hard

Jackson Turner
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the mean of the unknown distribution in the given problem?
85
90
92
95
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
According to the Central Limit Theorem, what is the distribution of sample means?
Poisson
Normal
Exponential
Uniform
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is the standard deviation of the sample means calculated?
Standard deviation of population multiplied by square root of sample size
Standard deviation of population multiplied by sample size
Standard deviation of population divided by square root of sample size
Standard deviation of population divided by sample size
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which function on the TI-84 is used to find the probability of a sample mean being between two values?
invNorm
normalcdf
binomcdf
normalpdf
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the probability that the sample mean is between 85 and 92?
25.25%
69.97%
50%
4.78%
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the exaggerated upper bound used for calculating the probability that the sample mean is greater than 92?
10000
99999
100000
9999
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the probability that the sample mean is greater than 92?
25.25%
4.78%
50%
69.97%
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