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Value.x of X 1 2 3 لی 4 5 P(X=x) 0.26 0.18 0.09 0.22 0.25 For parts (a) and (b) below, find the probability that the randomly selected hair salon rating has the described number of stars. (a) 4 or more: (b) Fewer than 3: X

Value.x of X 1 2 3 لی 4 5 P(X=x) 0.26 0.18 0.09 0.22 0.25 For parts (a) and (b) below, find the probability that the randomly selected hair salon rating has the described number of stars. (a) 4 or more: (b) Fewer than 3: X

MATLAB: An Introduction with Applications
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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On a popular app, users rate hair salons as 1, 2, 3, 4, or 5 stars. Suppose a rating is randomly selected from all the ratings on the app. Let X be the number of stars of the selected rating. Here is the probability distribution of X. k Value .x of X esc trol P(X=x) J (a) 4 or more: (b) Fewer than 3: I Don't Know alt Q 1 For parts (a) and (b) below, find the probability that the randomly selected hair salon rating has the described number of stars. A option 0.26 0.18 0.09 0.22 F1 2 Z 72 Submit F2 3 W S X H command 4 # #3 80 E F3 D 5 0.25 с 54 $ DOD 000 R F X % 5 V F5 G 5 6 B MacBook Air F6 Y H & 88 7 F7 N © 2023 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center | Accessibility J * 8 ▶II UI F8 M K ( 9 F9 дв O 3 0 L command F10 P alt option î F11 [ + 11 4))) F12 } ? delet r 8
Transcribed Image Text:On a popular app, users rate hair salons as 1, 2, 3, 4, or 5 stars. Suppose a rating is randomly selected from all the ratings on the app. Let X be the number of stars of the selected rating. Here is the probability distribution of X. k Value .x of X esc trol P(X=x) J (a) 4 or more: (b) Fewer than 3: I Don't Know alt Q 1 For parts (a) and (b) below, find the probability that the randomly selected hair salon rating has the described number of stars. A option 0.26 0.18 0.09 0.22 F1 2 Z 72 Submit F2 3 W S X H command 4 # #3 80 E F3 D 5 0.25 с 54 $ DOD 000 R F X % 5 V F5 G 5 6 B MacBook Air F6 Y H & 88 7 F7 N © 2023 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center | Accessibility J * 8 ▶II UI F8 M K ( 9 F9 дв O 3 0 L command F10 P alt option î F11 [ + 11 4))) F12 } ? delet r 8
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It is given that the random variable X be the stars of the selected rating.

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