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A boy spins a coin until he obtains a head. The following diagram shows the probability distribution of 'X' that denotes the number of times the boy spins the coin. Find the expected value and the variance of 'X'. * 1 2 5. 1 1 1 P(X = x) %3D 8 16 16 1.94 and 1.44 O 2.01 and 1.94 O 1.44 and 2.01 O 2.01 and 1.33 4. 1/4 1/2

A boy spins a coin until he obtains a head. The following diagram shows the probability distribution of 'X' that denotes the number of times the boy spins the coin. Find the expected value and the variance of 'X'. * 1 2 5. 1 1 1 P(X = x) %3D 8 16 16 1.94 and 1.44 O 2.01 and 1.94 O 1.44 and 2.01 O 2.01 and 1.33 4. 1/4 1/2

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.1: Measures Of Center
Problem 4GP
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A boy spins a coin until he obtains a head. The following diagram shows the probability distribution of 'X' that denotes the number of times the boy spins the coin. Find the expected value and the variance of 'X'. * 1 2 5. 1 1 1 P(X = x) %3D 8 16 16 1.94 and 1.44 O 2.01 and 1.94 O 1.44 and 2.01 O 2.01 and 1.33 4. 1/4 1/2
Transcribed Image Text:A boy spins a coin until he obtains a head. The following diagram shows the probability distribution of 'X' that denotes the number of times the boy spins the coin. Find the expected value and the variance of 'X'. * 1 2 5. 1 1 1 P(X = x) %3D 8 16 16 1.94 and 1.44 O 2.01 and 1.94 O 1.44 and 2.01 O 2.01 and 1.33 4. 1/4 1/2
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