math
posted by Jen .
Consider the experiment of simultaneously tossing a fair coin and rolling a fair die. Let X denote the number of heads showing on the coin and Y the number of spots showing on the die.
a. List the outcomes in S.
b. Find Fx,y(1,2).
Part a is easy. It's part b that I don't understand. The answer given in the book is 4/12 but I don't see how they got that.

math 
Steve
If you got part (a) then you know all possible outcomes.
How many of those show 1 head and 2 spots?
I don't see how 4/12 is the answer either, unless F(1,2) means at least 2 spots. Even that would be 5/12.
Respond to this Question
Similar Questions

math fair
The game of dots is played by rolling a fair die and receiving $1 for each dot showing on the top face of the die. What cost should be set for each roll if the game is to be considered a fair game? 
MathFair Game question
the game of dots is played by rolling a fair die and receiving 1$ for each dot showing on the top face of the die. What cost should be set for each roll if the game is to be considered a fair game? 
Statistics
An Experiment consists of flipping a fair coin once and rolling a fair die once. what is the probability of observing a hear or six? 
Statistics
A die that is fair will have each face of the die come up onesixth of the time in the long run. The population for die throwing contains the results of throwing the die an infinite number of times. For this problem, the parameter … 
Math
The game of dots is played by rolling a fair die and receiving $1 for each dot showing on the top face of the die. What cost should be set for each roll if the game is to be considered a fair game? 
Statistics and Probability
One sixsided fair die is rolled, and one twosided fair coin is tossed. If the coin turns up heads, then the number of spots showing on the die is the value (score) for that trial. If the coin is tails then twice the number of spots … 
Probability
Consider the experiment of simultaneously tossing a die and a coin. Let X denote the number of heads and Y denote the number of spots showing on the die. a)construct a twoway table for the joint pdf b)Let Z=X+Y . Use the joint pdf … 
math
When rolling a die once and tossing a fair coin once, all of the following are possible outcomes except which one? 
math (statistics)
an experiment consistbnof tossing a die and then flipping a coin once if the number on the die is even. If the number on the die is odd, the coin is flipped twice. Using the notation 4H, for example to denote an event that die comes … 
Statistics
A gambling game works as follows: you flip a fair coin and roll a fair sixsided die. You will be paid $2 if you roll a 6 and $1 if you get a head and an odd number of spots. Otherwise, you have to pay $2.50. a) What is the probability …