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. 0, 1, 2, 3, ... 1, 2, 3, ... [0, ∞) (0, ∞) State whether the variable is discrete. discrete 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. z1, z2, z3, ..., zn [0, zn] 1, 2, 3, ..., n [0, n] State whether the variable is discrete. discrete not discrete (f) Y = the pH of a randomly chosen soil sample Describe the set of possible values for the variable. 0, 1, 2, 3, ..., 14 [0, 14] 1, 2, 3, ..., 14 (0, 14] State whether the variable is discrete. discrete not discrete (g) 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. [m, M] m+1, ..., M−1 (m, M) m, m+1, ..., M−1, M State whether the variable is discrete. discrete not discrete (h) X = the total number of times three tennis players must spin their rackets to obtain something other than UUU or DDD (to determine which two play next) Describe the set of possible values for the variable. 3, 6, 9, ... [3, ∞) 1, 2, 3, ... [1, ∞) State whether the variable is discrete. discrete not discrete

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Related questions

Question

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.

0, 1, 2, 3, ...

1, 2, 3, ...

[0, ∞)

(0, ∞)

State whether the variable is discrete.

discrete

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.

z₁, z₂, z₃, ..., z_n

[0, z_n]

1, 2, 3, ..., n

[0, n]

State whether the variable is discrete.

discrete

not discrete

(f)

Y = the pH of a randomly chosen soil sample

Describe the set of possible values for the variable.

0, 1, 2, 3, ..., 14

[0, 14]

1, 2, 3, ..., 14

(0, 14]

State whether the variable is discrete.

discrete

not discrete

(g)

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.

[m, M]

m+1, ..., M−1

(m, M)

m, m+1, ..., M−1, M

State whether the variable is discrete.

discrete

not discrete

(h)

X = the total number of times three tennis players must spin their rackets to obtain something other than UUU or DDD (to determine which two play next)

Describe the set of possible values for the variable.

3, 6, 9, ...

[3, ∞)

1, 2, 3, ...

[1, ∞)

State whether the variable is discrete.

discrete

not discrete