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. An important numerical measure of the shape of a distribution is the
skewness
correlation coefficient
relative location
variance
Question Type: Multiple Choice
2. 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
3. If P(A) = 0.38, P(B) = 0.83, and P(A Ç B) = 0.57; then P(A È B) =
0.78
1.21
0.64
1.78
Question Type: Multiple Choice
4. If the data distribution is symmetric, the skewness is
1
0.5
None of the above
Question Type: Multiple Choice
5. __________ 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
6. A lottery is conducted using three urns. Each urn contains chips numbered from 0 to 9. One chip is selected at random from each urn. The total number of sample points in the sample space is
1000
100
30
729
Question Type: Multiple Choice
7. Any process that generates well-defined outcomes is
an experiment
an event
a sample point
None of the answers is correct.
Question Type: Multiple Choice
8. The union of events A and B is the event containing
all the sample points common to both A and B
all the sample points belonging to A or B
all the sample points belonging to A or B or both
all the sample points belonging to A or B, but not both
Question Type: Multiple Choice
9. 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
10. An experiment consists of four outcomes with P(E1) = 0.2, P(E2) = 0.3, and P(E3) = 0.4. The probability of outcome E4 is
0.100
0.900
0.024
0.500
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. The collection of all possible sample points in an experiment is
the population
a sample point
the sample space
an experiment
Question Type: Multiple Choice
13. 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
Submit and Grade
Ads
Ads