Do you mean 3.14 for pi or just 3?
Answer:
(a) The expected value is: $0.40625
(b) The expected value is: $0.4286
Step-by-step explanation:
Solving (a): Raffle 1
Given
per ticket
---- for 1
--- for 2
Required
The expected value of each ticket
First, calculate the total amount of the 800 tickets
Next, calculate the total amount of the prizes
The expected value E(x) of 1 ticket is calculated as:
Solving (b): Raffle 2
Given
per ticket
---- for 1
--- for 3
Required
The expected value of each ticket
First, calculate the total amount of the 800 tickets
Next, calculate the total amount of the prizes
The expected value E(x) of 1 ticket is calculated as:
4x + 2y = 24
2y = -4x + 24
y = (-4/2)x + 24/2
y = -2x + 12 <===
Answer:
down below
Step-by-step explanation:
Since GA is the median of triangle GHI, IA and AH are equal sides. So, AH = 12.7 and IH = 12.7+12.7 = 25.4
y
x
1 2 3
Step-by-step explanation:
Just find the right graph its easy