DEVRY MATH399 Week 4 Assignment Discrete Probability Latest 2019 JULY
MATH399 Applied Managerial Statistics
Week 4 Assignment Discrete Probability
QuestionDuring
a bowling league tournament, the number of times that teams scored a strike
every ten minutes was recorded by a scorekeeper. The table below represents the probability
density function for the random variable X, the number of strikes every ten
minutes. Find the standard deviation of X.
• Round the final answer to two
decimal places.
QuestionThe
table below represents the probability density function for the random variable
X. Find the standard deviation of X.
• Round the final answer to two
decimal places.
QuestionA
player can play a game by rolling a fair die several times. The player can win
money based on the numbers rolled. The table shows the probability of each payout
amount (assume that the remaining probability has a payout of 0 so that the
probabilities add to 1). To the nearest dollar, what is the expected payout of
the game?
QuestionA
player can play a game by rolling a fair die several times. The player can win
money based on the numbers rolled. The table shows the probability of each
payout amount (assume that the remaining probability has a payout of 0 so that
the probabilities add to 1). To the nearest dollar, what is the expected payout
of the game?
QuestionWhich
of the following tables shows a valid probability density function? Select all
correct answers.
$_boldsymbol{x}$_ $_boldsymbol{P(X = x)}$_
$_0$_ $_frac{1}{8}$_
$_1$_ $_frac{1}{8}$_
$_2$_ $_frac{1}{8}$_
$_3$_ $_frac{1}{8}$_
$_4$_ $_frac{1}{2}$_
boldsymbol{x} boldsymbol{P(X
= x)}
0 0.5
1 0.4
2 0.1
x P(X=x)
0 25
1 ?110
2 15
3 12
x P(X=x)
0 0.13
1 0.48
2 0.14
3 0.54
x P(X=x)
0 12
1 110
2 110
x P(X=x)
0 18
1 14
2 14
3 38
Question
Which of
the following tables shows a valid probability density function? Select all
correct answers.
x P(X=x)
0 14
1 12
2 14
x P(X=x)
0 12
1 18
2 14
3 18
x P(X=x)
0 0.0
1 0.02
2 0.16
3 0.0
4 1.07
x P(X=x)
0 0.89
1 0.09
2 0.0
3 0.02
4 0.0
x P(X=x)
0 35
1 25
2 ?110
3 110
x P(X=x)
0 110
1 110
2 310
3 310
QuestionA
casino features a game in which a weighted coin is tossed several times. The
table shows the probability of each payout amount (assume that the remaining
probability has a payout of 0 so that the probabilities add to 1). To the
nearest dollar, what is expected payout of the game?
Payout
Amount
$160
$4400
$145000
Payout
Amount
$160
$4400
$145000
Probability
0.146
0.024
0.0007
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Clipboard CSV
QuestionA
casino features a game in which a weighted coin is tossed several times. The
table shows the probability of each payout amount (assume that the remaining
probability has a payout of 0 so that the probabilities add to 1). To the
nearest dollar, what is expected payout of the game?
Payout
Amount
$130
$4400
$195000
Payout
Amount
$130
$4400
$195000
Probability
0.156
0.023
0.0007
HelpCopy to
Clipboard CSV
QuestionWhich
of the following tables shows a valid probability density function? Select all
correct answers.
x P(X=x)
0 0.6
1 0.01
2 0.14
x P(X=x)
0 310
1 110
2 25
x P(X=x)
0 18
1 14
2 58
x P(X=x)
0 0.13
1 0.09
2 0.45
3 0.27
4 0.06
x P(X=x)
0 ?15
1 310
2 12
3 310
4 110
x P(X=x)
0 12
1 18
2 38
QuestionWhich
of the following tables shows a valid probability density function? Select all
correct answers.
x P(X=x)
0 0.06
1 0.01
2 0.0
3 0.66
4 0.01
x P(X=x)
0 0.07
1 0.23
2 0.02
3 0.13
4 0.55
x P(X=x)
0 14
1 12
2 14
x P(X=x)
0 38
1 14
2 18
3 14
x P(X=x)
0 15
1 12
2 25
3 110
4 ?15
x P(X=x)
0 15
1 310
2 110
3 110
QuestionThe
table below represents the probability density function for the random variable
X. Find the standard deviation of X.
• Round the final answer to two
decimal places.
QuestionThe
table below represents the probability density function for the random variable
X. Find the standard deviation of X.
• Round the final answer to two
decimal places.
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