Site MapHelpFeedbackMultiple Choice Quiz
Multiple Choice Quiz
(See related pages)

1
A random variable, time to load a delivery truck, is uniformly distributed. The distribution is defined by the:
A)minimum and maximum times to load a delivery truck.
B)maximum time to load a delivery truck.
C)minimum time to load a delivery truck.
D)standard deviation of the time to lead a delivery truck.
2
A uniform distribution's shape is:
A)bell shaped.
B)positively skewed.
C)negatively skewed.
D)rectangular.
3
The normal distribution is a _____ distribution.
A)discrete
B)continuous
C)positively skewed
D)rectangular
4
A normal distribution can be described as a/an ____ distribution.
A)bell-shaped
B)symmetric
C)asymptotic
D)All of the above
5
If a random variable is normally distributed:
A)the random variable cannot assume negative numbers.
B)the distribution is defined by the mean and standard deviation of the random variable.
C)the variance of the random variable must be greater than one.
D)the probability that the random variable is greater than the mean is 0.60.
6
Which of the following statements is correct regarding the standard normal distribution?
A)It is also called the z distribution.
B)Any normal distribution can be converted to the standard normal distribution.
C)The mean is 0 and the standard deviation is 1.
D)All of the above are correct.
7
The area under a standard normal curve between z=0 and z=-1.75 is:
A).0401.
B).9599.
C).4599.
D)1.4599.
8
The area under a standard normal curve for z values less than 1.75 is:
A).0401.
B).9599.
C).4599.
D)1.4599.
9
In the standard normal distribution, what is the probability of finding a z value between z=-1.25 and z=-1.00?
A)0.3944
B)0.3413
C)0.7357
D)0.0531
10
In the standard normal distribution, what is the z-statistic for the 80th percentile?
A)0.8400
B)0.2881
C)0.2000
D)0.8000





To learn more about the book this website supports, please visit its Information Center.
Copyright (c)2013 McGraw-Hill Education .
Any use is subject to the Terms of Use and Privacy Notice | Report Piracy


Basic Statistics for BECOnline Learning Center

Home > Chapter 7 > Multiple Choice Quiz