algebra

posted by .

A fair six-sided die is rolled. If the number showing is even, you lose a point for each dot showing. If the number showing is odd, you win a point for each dot showing.
a. Find E(x)for one roll if x represents the number of point s you win.
b. Find the expected winnings for ten rolls.

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. math

    i'm supposed to make an equation going off of this problem.. it is supposed to be an exponential equation, but i don't exactly know how i am supposed to do this.. please help:(.. You roll 36 dice and remove the dice with one dot showing. …
  2. 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?
  3. math

    The game called 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?
  4. Math-Fair 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?
  5. 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?
  6. Statistics and Probability

    One six-sided fair die is rolled, and one two-sided 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 …
  7. math

    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). …
  8. PROBABILITY MATH HELP!!!!!

    A die is rolled. Find the probability of the given event. (a) The number showing is a 5; The probability is?
  9. Algebra

    Two fair eight-sided rolled. If a two is showing on one of the die, what is the probability that the sum is six or less?
  10. stats

    A die is rolled. Find the probability of the given event. (a) The number showing is a 6; (b)The number showing is an even number; The probability is; (c) The number showing is greater than 2; The probability is

More Similar Questions