Expected Value Discrete

Quiz
•
Mathematics
•
11th Grade
•
Hard
Barbara White
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
A discrete random variable X has the probability distributions shown in the table. Find the value of k.
1/3
7/12
1/12
1/4
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
The random variable X has a probability function shown. Find the value of k.
0.1
0.01
10
1/9
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
A discrete random variable has a probability distribution shown in the table. Find the value of a.
0.25
0.75
0.5
0.125
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
A discrete random variable X has the probability distribution shown in the table. Find P(1 < X ≤ 3).
7/8
1/2
5/8
3/8
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
A discrete random variable X has the probability distribution shown in the table. Find P(X < 2).
7/8
1/2
5/8
3/8
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
A discrete random variable X has the probability distribution shown in the table. Find P(X > 3).
1
7/8
1/8
0
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
X 50 20 5
P(X) 0.1 0.3 0.6
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