HOME
SCIENCE
MATH
HISTORY
ENGLISH
LANGUAGE
Works Best in Google Chrome!
Login With Your Tutor PRO Account
Quiz
Favorite Quiz
Download Quiz
Share Quiz
1. A sample point refers to a(n)
individual outcome of an experiment
set of all possible experimental outcomes
numerical measure of the likelihood of the occurrence of an event
All of these answers are correct
Question Type: Multiple Choice
2. If P(A) = 0.85, P(A È B) = 0.72, and P(A Ç B) = 0.66, then P(B) =
0.28
0.15
0.53
0.15
Question Type: Multiple Choice
3. An experiment consists of tossing 4 coins successively. The number of sample points in this experiment is
8
16
4
2
Question Type: Multiple Choice
4. The weights (in pounds) of a sample of 36 individuals were recorded and the following statistics were calculated mean = 160 range = 60 mode = 165 variance = 324 median = 170 The coefficient of variation equals
203.12%
11.25%
0.1125%
0.20312%
Question Type: Multiple Choice
5. Of five letters (A, B, C, D, and E), two letters are to be selected at random. How many possible selections are there?
20
7
10
50
Question Type: Multiple Choice
6. Two events are mutually exclusive if
the probability of their intersection is 1
they have no sample points in common
the probability of their intersection is 0.5
the probability of their intersection is 1 and they have no sample points in common
Question Type: Multiple Choice
7. In statistical experiments, each time the experiment is repeated
the same outcome must occur
the same outcome cannot occur again
a different outcome may occur
None of the above
Question Type: Multiple Choice
8. A researcher has collected the following sample data. The mean of the sample is 5. 3 5 12 3 2 The coefficient of variation is
72.66%
264%
81.24%
330%
Question Type: Multiple Choice
9. __________ can be used to determine the percentage of data values that must be within one, two, and three standard deviations of the mean for data having a bell-shaped distribution.
box plot
five-number summary
empirical rule
Chebyshev's theorem
Question Type: Multiple Choice
10. Assume your favorite football team has 2 games left to finish the season. The outcome of each game can be win, lose or tie. The number of possible outcomes is
4
6
2
None of the above
Question Type: Multiple Choice
11. The probability of an intersection of two events is computed using the
subtraction law
addition law
multiplication law
division law
Question Type: Multiple Choice
12. If the data distribution is symmetric, the skewness is
1
0.5
None of the above
Question Type: Multiple Choice
13. The probability of the intersection of two mutually exclusive events
must always be equal to 1
can be any positive value
can be any value between 0 to 1
must always be equal to 0
Question Type: Multiple Choice
Submit and Grade
Ads
Ads