grade 12 data  how do I go from payout to P(X) ? then from that to xP(x)/E(X)?   how do you get these numbers? whats the formula?

College Algebra
1st Edition
ISBN:9781938168383
Author:Jay Abramson
Publisher:Jay Abramson
Chapter4: Linear Functions
Section4.3: Fitting Linear Models To Data
Problem 5SE: Explain how to interpret the absolute value of acorrelation coefficient.
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grade 12 data 

how do I go from payout to P(X) ? then from that to xP(x)/E(X)?  

how do you get these numbers? whats the formula?

 

Theoretical distribution:
Cost to play: $5
Payout
P(X)
xP(x)/E(X)
Outcome
$15
0.025
0.375
Value of all three items match
Either all values odd or even
$5
1.5
7.5
Value of 2 of 3 items match
$5
19/10=1.9
9.5
Values are in increasing order
$10
38/60=0.63
6.3
Transcribed Image Text:Theoretical distribution: Cost to play: $5 Payout P(X) xP(x)/E(X) Outcome $15 0.025 0.375 Value of all three items match Either all values odd or even $5 1.5 7.5 Value of 2 of 3 items match $5 19/10=1.9 9.5 Values are in increasing order $10 38/60=0.63 6.3
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