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- 1. Multiple Choice
It is a numerical quantity that is assigned to the outcome of an experiment.
Statistics
Probability
Random Variable
Distribution
- 2. Multiple Choice
It is the set of all possible outcomes in an experiment.
Random Variable
Sample Space
Mean
Data
- 3. Multiple Choice
Two coins are tossed in an experiment. Which of the following list is the sample space?
S= {HH, HT, TH, TT}
S= {HH, TT}
S= { HT, TH, TT}
S= {HH, HT, TT}
- 4. Multiple Choice
Supposed two coins are tossed consecutively and we are interested in the number of heads that will come out. Determine the values of the random variable H (number of heads).
0,2,3,4
0,1,2,3
0,1,2
0,1,2,3,4
- 5. Fill in the Blank
Nico label an x- axis with points earned and the corresponding y - axis with the number of players. He plot one against the other and he obtain a bar graph called a what?
- 6. Fill in the Blank
If you had no idea what the answer to this four option multiple choice was and took a wild guess, what is the probability that you are correct?
- 7. Multiple Choice
Which of the following are the properties of a Normal Probability Distribution.
The distribution curve is bell - shaped.
The curve is symmetric about its center, the mean.
The mean, the median, and the mode coincide at the center.
The area under the curve is 1 or 100%
The tails of the curve is asymptotic to the base line.
- 8. Multiple Choice
TRUE or FALSE: The standard normal distribution of a random variable is a normal distribution with mean =0 and standard deviation =1.
TRUE
FALSE
- 9. Multiple Choice
TRUE or FALSE: The area between 0 and a positive value z is the same as the area between 0 and -z.
TRUE
FALSE
- 10. Multiple Choice
TRUE or FALSE: The area that corresponds to z = 2.58 is the same as the area that corresponds to z = -2.58, which is A = 0.4951
TRUE
FALSE
- 11. Fill in the Blank
Find the area that corresponds to z = -1.15
- 12. Fill in the Blank
What is the probability that the value of a standard normal random variable z lies between 0 and 1.28?
- 13. Fill in the Blank
It is the mathematical function that gives the probabilities of occurrence of different possible outcomes for an experiment.
- 14. Fill in the Blank
It is a variable whose value is determined by the outcome of a random experiment.
- 15. Fill in the Blank
It is a random variable whose set of assumed values that is countable.
- 16. Fill in the Blank
A random variable whose set of assumed values that is uncountable, usually arises from measurement.
- 17. Fill in the Blank
It is a number which describes the spread of the distribution.
- 18. Fill in the Blank
The following table represents the probability distribution X, the employment status of adults in a city.
What is the probability that the adults isn't retired?
- 19. Fill in the Blank
If you select one adult at a random from this community, what is the probability that the adults is employed as part -time?
- 20. Fill in the Blank
If you select one adult at a random from this community, what is the probability that the adults is working either part - time or full - time?
- Answer choicesTagsAnswer choicesTags