Listed is a series of experiments and associated random variables. In each case, identify the values that the random variable can assume and state whether the random variable is discrete or continuous. (a) Take a 30-question examination. random variable x = number of questions answered correctly Identify the values that the random variable can assume. 0, 1, 2, .. 0, 1, 2, ., 30 x > 0 Osxs 30 O none of these State whether the random variable is discrete or continuous. continuous discrete (b) Observe cars arriving at a tollbooth for 3 minutes. random variable x = number of cars arriving at tollbooth Identify the values that the random variable can assume. 0, 1, 2, .. 0, 1, 2, ., 60 Ox > 0 OSxS 3 none of these State whether the random variable is discrete or continuous. continuous discrete

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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Chapter1: Starting With Matlab
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Listed is a series of experiments and associated random variables. In each case, identify the values that the random variable can assume and state whether the random variable is discrete or
continuous.
(a) Take a 30-question examination.
random variable x = number of questions answered correctly
Identify the values that the random variable can assume.
0, 1, 2, ...
0, 1, 2,
30
O x > 0
0 < x < 30
none of these
State whether the random variable is discrete or continuous.
continuous
discrete
(b) Observe cars arriving at a tollbooth for 3 minutes.
random variable x = number of cars arriving at tollbooth
Identify the values that the random variable can assume.
О0, 1, 2, ..
0, 1, 2,
60
x > 0
O 0 <x < 3
none of these
State whether the random variable is discrete or continuous.
continuous
discrete
Transcribed Image Text:Listed is a series of experiments and associated random variables. In each case, identify the values that the random variable can assume and state whether the random variable is discrete or continuous. (a) Take a 30-question examination. random variable x = number of questions answered correctly Identify the values that the random variable can assume. 0, 1, 2, ... 0, 1, 2, 30 O x > 0 0 < x < 30 none of these State whether the random variable is discrete or continuous. continuous discrete (b) Observe cars arriving at a tollbooth for 3 minutes. random variable x = number of cars arriving at tollbooth Identify the values that the random variable can assume. О0, 1, 2, .. 0, 1, 2, 60 x > 0 O 0 <x < 3 none of these State whether the random variable is discrete or continuous. continuous discrete
(c) Audit 44 tax returns.
random variable x = number of returns containing errors
Identify the values that the random variable can assume.
O 0, 1, 2, ..
0, 1, 2,
44
.../
x > 0
0 < x < 44
none of these
State whether the random variable is discrete or continuous.
continuous
discrete
(d)
Observe an employee's work.
random variable x = number of nonproductive hours in a nine-hour workday
Identify the values that the random variable can assume.
O 0, 1, 2, .
0, 1, 2,
x > 0
0 <x < 9
none of these
State whether the random variable is discrete or continuous.
continuous
discrete
Transcribed Image Text:(c) Audit 44 tax returns. random variable x = number of returns containing errors Identify the values that the random variable can assume. O 0, 1, 2, .. 0, 1, 2, 44 .../ x > 0 0 < x < 44 none of these State whether the random variable is discrete or continuous. continuous discrete (d) Observe an employee's work. random variable x = number of nonproductive hours in a nine-hour workday Identify the values that the random variable can assume. O 0, 1, 2, . 0, 1, 2, x > 0 0 <x < 9 none of these State whether the random variable is discrete or continuous. continuous discrete
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