Checkp Checkpoint: Random Variables 2 Schedule:Available now. Due o3/21/2018 7:0
ID: 3064946 • Letter: C
Question
Checkp Checkpoint: Random Variables 2 Schedule:Available now. Due o3/21/2018 7:00 PM PDT Question 1 The number of people in a car that crosses a certain bridge is represented byTe numbers in the boues the random variable x, which has a mean value ' 27, and a variance 2X- Part i: iop ts 12. The toll on the bridge is $3.00 per car plus $0.50 per person in the car. |-y Part 2: 10 points What is the mean of the total amount of money that is collected from a car that 0 points crosses the bridge? Report your answer to two decimal places. Do NOT include a dollar sign ($) when reporting your answer What is the variance of the total amount of money that is collected from a car that crosses the bridge? Report your answer to two decimal places. Do NOT include a dollar sign ($) when reporting your answer. Question 2 Select one anwer. The number of computer monitors manufactured per day by CompScreensExplanation / Answer
1)mean value of total amount per car =3+0.5*E(X) =3+0.5*2.7 =4.35
2) variance of total amount of money =0.52*Var(X)=0.25*1.2 =0.3
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