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What is the standard deviation for the number of tails when eight coins are tossed? O 1.62 O 2.0 O 4.0 O 1.41

What is the standard deviation for the number of tails when eight coins are tossed? O 1.62 O 2.0 O 4.0 O 1.41

A First Course in Probability (10th Edition)
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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What is the standard deviation for the number of tails when eight coins are tossed? O 1.62 O 2.0 O 4.0 O 1.41
Transcribed Image Text:What is the standard deviation for the number of tails when eight coins are tossed? O 1.62 O 2.0 O 4.0 O 1.41
20 Four out of five Filipinos under the age of 30 eat rice for breakfast. If a random sample of 15 adults under age of 30 is selected, find the probability that exactly 10 have eaten rice for breakfast. 0.107 0.103 0.112 0.123
Transcribed Image Text:20 Four out of five Filipinos under the age of 30 eat rice for breakfast. If a random sample of 15 adults under age of 30 is selected, find the probability that exactly 10 have eaten rice for breakfast. 0.107 0.103 0.112 0.123
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