When you post a picture on social media, it seems like your friends randomly "like" the picture. Independent of the quality or the humor of the photo, there seems to be a 27.5% chance of the picture being "liked" for any given picture. Let X represent the number of pictures you post until one is "liked." (X represents the photo number that is actually liked.) Find: μχ: σχ: P(X= 4): P(X < 8): P(X > 8): P(6 ≤ x ≤ 9):

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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When you post a picture on social media, it seems like your friends randomly "like" the picture.
Independent of the quality or the humor of the photo, there seems to be a 27.5% chance of the picture
being "liked" for any given picture.
Let X represent the number of pictures you post until one is "liked." (X represents the photo number that is
actually liked.) Find:
μχ:
ox:
P(X = 4):
P(X < 8):
P(X > 8):
P(6 ≤ x ≤ 9):
Transcribed Image Text:When you post a picture on social media, it seems like your friends randomly "like" the picture. Independent of the quality or the humor of the photo, there seems to be a 27.5% chance of the picture being "liked" for any given picture. Let X represent the number of pictures you post until one is "liked." (X represents the photo number that is actually liked.) Find: μχ: ox: P(X = 4): P(X < 8): P(X > 8): P(6 ≤ x ≤ 9):
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