Nineteen individuals are scheduled to take a driving test at a particular DMV office on a certain day, eight of whom will be taking the test for the first time. Suppose that six of these individuals are randomly assigned to a particular examiner, and let X be the number among the six who are taking the test for the first time. (a) What kind of a distribution does X have (name and values of all parameters)? nb(x; 6,  8 19) h(x; 6,  8 19

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Nineteen individuals are scheduled to take a driving test at a particular DMV office on a certain day, eight of whom will be taking the test for the first time. Suppose that six of these individuals are randomly assigned to a particular examiner, and let X be the number among the six who are taking the test for the first time.
(a)
What kind of a distribution does X have (name and values of all parameters)?
nb(x; 6, 
8
19
)
h(x; 6, 
8
19
)
    
h(x; 6, 8, 19)
b(x; 6, 8, 19)
nb(x; 6, 8, 19)
b(x; 6, 
8
19
)
(b)
Compute 
P(X = 2), P(X ≤ 2), and P(X ≥ 2).
 (Round your answers to four decimal places.)
P(X = 2)
=
P(X ≤ 2)
=
P(X ≥ 2)
=
(c)
Calculate the mean value and standard deviation of X. (Round your answers to three decimal places.)
mean individualsstandard deviation     individuals
Nineteen individuals are scheduled to take a driving test at a particular DMV office on a certain day, eight of whom will be taking the test for the first time. Suppose that six of these individuals are randomly
assigned to a particular examiner, and let X be the number among the six who are taking the test for the first time.
(a) What kind of a distribution does X have (name and values of all parameters)?
O nb(x; 6,
19
8
O h(x; 6,
19
O h(x; 6, 8, 19)
О Бix;B 6, 8, 19)
O nb(x; 6, 8, 19)
8
O b(x; 6,
(b) Compute P(X = 2), P(X < 2), and P(X > 2). (Round your answers to four decimal places.)
P(X = 2) =
P(X < 2) =
P(X 2 2) =
(c) Calculate the mean value and standard deviation of X. (Round your answers to three decimal places.)
mean
individuals
standard deviation
individuals
Transcribed Image Text:Nineteen individuals are scheduled to take a driving test at a particular DMV office on a certain day, eight of whom will be taking the test for the first time. Suppose that six of these individuals are randomly assigned to a particular examiner, and let X be the number among the six who are taking the test for the first time. (a) What kind of a distribution does X have (name and values of all parameters)? O nb(x; 6, 19 8 O h(x; 6, 19 O h(x; 6, 8, 19) О Бix;B 6, 8, 19) O nb(x; 6, 8, 19) 8 O b(x; 6, (b) Compute P(X = 2), P(X < 2), and P(X > 2). (Round your answers to four decimal places.) P(X = 2) = P(X < 2) = P(X 2 2) = (c) Calculate the mean value and standard deviation of X. (Round your answers to three decimal places.) mean individuals standard deviation individuals
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