For each random variable defined here, describe the set of possible values for the variable, and state whether the variable is discrete.

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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PLEASE HELP WITH PARTS D,E,F,G. 

For each random variable defined here, describe the set of possible values for the variable, and state whether the variable is discrete.
Transcribed Image Text:For each random variable defined here, describe the set of possible values for the variable, and state whether the variable is discrete.
(d) X = the length of a randomly selected rattlesnake
Describe the set of possible values for the variable.
O (0, ∞)
о о, 1, 2, 3, ...
О 1, 2, 3, ..
O [0, 0)
State whether the variable is discrete.
O discrete
O not discrete
(e) z = the sales tax percentage for a randomly selected amazon.com purchase, where n = the total number of possible sales tax percentages for online purchases
Describe the set of possible values for the variable.
O [0, z,)
O 1, 2, 3, ..., n
O [0, n]
O z1, z2, Z31 ., Zn
State whether the variable is discrete.
discrete
O not discrete
(f)
Y = the pH of a randomly chosen soil sample
Describe the set of possible values for the variable.
О (), 14]
О 1, 2, 3, ..., 14
О (0, 14]
о о, 1, 2, 3, ..., 14
State whether the variable is discrete.
O discrete
O not discrete
(9) X = the tension (psi) at which a randomly selected tennis racket has been strung, where m = the minimum possible tension and M = the maximum possible tension
Describe the set of possible values for the variable.
О m+1, ..., М-1
O [m, M]
О т, т+1, ..., м-1, М
О (m, M)
State whether the variable is discrete.
O discrete
O not discrete
Transcribed Image Text:(d) X = the length of a randomly selected rattlesnake Describe the set of possible values for the variable. O (0, ∞) о о, 1, 2, 3, ... О 1, 2, 3, .. O [0, 0) State whether the variable is discrete. O discrete O not discrete (e) z = the sales tax percentage for a randomly selected amazon.com purchase, where n = the total number of possible sales tax percentages for online purchases Describe the set of possible values for the variable. O [0, z,) O 1, 2, 3, ..., n O [0, n] O z1, z2, Z31 ., Zn State whether the variable is discrete. discrete O not discrete (f) Y = the pH of a randomly chosen soil sample Describe the set of possible values for the variable. О (), 14] О 1, 2, 3, ..., 14 О (0, 14] о о, 1, 2, 3, ..., 14 State whether the variable is discrete. O discrete O not discrete (9) X = the tension (psi) at which a randomly selected tennis racket has been strung, where m = the minimum possible tension and M = the maximum possible tension Describe the set of possible values for the variable. О m+1, ..., М-1 O [m, M] О т, т+1, ..., м-1, М О (m, M) State whether the variable is discrete. O discrete O not discrete
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