The probability of winning is 1/3. Bob plays 6 games. Find P(win exactly 5 games):
Random Variable

Quiz
•
Mathematics
•
11th Grade
•
Hard
Anthony Clark
FREE Resource
14 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
.6803
.0178
.0164
.9986
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Given the probability model in the table below, what is the expected value of the random variable?
X 50 20 5
P(X) 0.1 0.3 0.6
14
4.67
5
7.5
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
If X~B(9,0.2), find P(X=5).
0.0016
0.0165
0.1065
0.5016
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
When rolling a fair die 100 times, what is the probability of rolling a "4"exactly 25 times?
0.010
0.167
0.25
0.021
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
If you were to flip a coin 20 times, what is the probability you would get exactly 10 heads?
50%
17.62%
.58.81%
41.19%
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
counts the number of trials needed to obtain the 1st success. X = 1,2,3,…
Geometric
Binomial
Both
Neither
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following random variables is NOT continuous?
Amount of gasoline in a car.
Time it takes to commute to work.
Number of goals scored by a hockey team.
Lifetime of a AAA battery.
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