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Review - Probability Distributions Flashcards | StudBud
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Review - Probability Distributions
Review - Probability Distributions
13 terms
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StudBud Administration
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Statistics, probability distributions
Flashcards
13 cards
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Questions
13
Answers
1
A procedure has a binomial distribution w/ 10 trials. Find the prob of 2 success if p = 0.2.
0.134
0.302
0.254
0+
2
Which of the following is not true of a probability distribution?
Each probability is less than or equal to 1
The probabilities add up to 1
No probability is negative
Each probability is greater than zero
3
Find the standard deviation of the probability distribution.
1.16
1.35
1.23
2.32
4
Find the probability.
.003
.002
.948
.151
5
Find the mean of the probability distribution.
0.75
1.25
0.5
1
6
Find the mean.
.52
1.25
7
1.75
7
A procedure has a binomial distribution w/ 10 trials. Find P( x ≤ 1) if p = 0.2.
0.403
0.231
0.521
0.234
8
Find the interval of minimum and maximum usual values.
(1,5)
(.606, 2.896)
(-.875, 4.375)
(-.54, 4.04)
9
Find P(6).
0
.999
.045
.002
10
Find the probability that x is less than 2.
.8
.5
0.15
0.2
11
If a data set has μ = 3 and σ = 4, find the typical range of the data values.
1 to 7
-1 to 7
- 5 to 12
-2 to 10
12
Which of the following random variables is discrete?
the amount of people playing Kahoot! at this moment
the exact time required to take a test
the height of a tree
the weight of a steak
13
Which of the following is not true of a binomial experiment?
independent trials
fixed probability of success
fixed number of trials
at least 2 outcomes
