Benchmark #3 Review Stats Part 1
Authored by Ashley Knight
Mathematics
9th - 12th Grade
Used 2+ times
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15 questions
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1.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
A discrete random variable is:
A variable that takes on a countable number of values
A variable that can be displayed in a table
A variable that has an uncountable # of values
A variable that has values that cannot be displayed in a table
A variable that is random
2.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
A continuous random variable is:
A variable that takes on a countable number of values
A variable that can be displayed in a table
A variable that has an uncountable # of values
A variable that has values that cannot be displayed in a table
A variable that is random
3.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
What makes a discrete probability distribution valid?
All values add up to 1
All probabilities add up to 1
All probabilities are between 0 and 1
n(p)> 10 and n(1-p)>10
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Use the distribution table to answer the questions.
P(x = 5)
0.026
0.531
0.537
0.974
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Use the distribution table to answer the questions.
P(x < 5)
0.026
0.531
0.537
0.974
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
0.026
0.531
0.557
0.974
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Use the distribution table to answer the questions.
P(3<x<9)
0.27
0.469
0.887
0.84
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