
Probability Distribution of a Discrete Random Variable
Authored by Anthony Clark
Mathematics
11th Grade
Used 1+ times

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20 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Yes, because all of the probabilities are between 0 and 1 inclusive and the sum of all the probabilities is 1.
No, some of probabilities are not between 0 and 1 inclusive
No, the sum of all the probabilities is not 1.
Yes, because the distribution is symmetric
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Determine which of the following distribution is NOT a probability distribution.
A
B
C
D
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The table represents the probability of guessing correct on a 5 question true-false quiz. Find the probability for at least 4 questions correct.
.03125
.15625
.3125
.1875
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
All of the probabilities in a probability distribution add up to what?
0
10
1
.5
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Is this a probability distribution?
No, the sum of p(x) does not equal 1.
Yes, all p(x) are between 0 and 1.
No, all p(x) are not between 0 and 1.
Yes, the sum p(x) is 1.
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