Q14. In an experiment when two dices are thrown simultaneously, find expected value of the sum of number of points on them.

Q: 4. An outdoor hot dog vendor sells an average of 50 hot dogs per day in dry weather and an average…

A: Rate of dog sold in dry winter =50 Rate of dog sold in wet weather =15 Probability of selling in any…

Q: Which statement is FALSE? The probability of choosing a card of spade equals the probability of…

A: In a deck of card, there are 26 red cards and 26 black cards. The total number of spade card is 13…

Q: If x is a binomial random variable with n = 10 and p = 0.8, what is the probability that x is equal…

A: It is given that X follows a binomial distribution. The PMF of binomial distribution is given by,

Q: The expected value of R4 is

A:

Q: In the game of​ roulette, a player can place a ​$6 bet on the number 36 and have a 1/38 probability…

A: We are told that the cost of a bet is $6. The bettor wins with a probability of 1/38, and the yield…

Q: otherwise If the expected value of the random variable X is 1/3. Find the values A and B.

A: Here use property of probability distribution function

Q: In the game of​ roulette, a player can place a ​$7 bet on the number 5 and have a 1/38 probability…

A: It is given that the probability of the winning the game is 1/38. Therefore, the probability of…

Q: For a certain instant lottery game, the odds in favor of a win are given as 31 to 69. Express the…

A: Given data for a certain instant lottery game the odds in favor of a win are given as 31 to 69

Q: the game of​ roulette, a player can place a ​$5 bet on the number 28 and have a 138 probability of…

A: Given data: probability of winning = 1/38 To calculate: Find the expected value​ E(x) to the player…

Q: You flip an unfair coin with Pr[H]= 0.4 three times. Find the expected number of heads flipped.

A: Given that flipping an unfair coin 3 times with PrH=0.4.

Q: In the game of​ roulette, a player can place a $6 bet on the number 24 and have a 1/38 probability…

A: The probability that balls lands on number 34 in game of roulette is 138. Then the probability of…

Q: |If the expected value of the random variable X is 1/3. Find the values A and B.

A:

Q: 4.55 Suppose that a grocery store purchases 5 car- tons of skim milk at the wholesale price of $1.20…

A:

Q: b. Assuming their scores are independent, what is the probability that Mr. Cull scores more than 50…

A: The probability that Mr. NH scores more than 50 points higher than Mr. Voss on a randomly-selected…

Q: In the game of​ roulette, a player can place a ​$8 bet on the number 4 and have a 1/38 probability…

A: To find: The expected value is​$__________.

Q: In the game of roulette, a player can place a $8 bet on the number 5 and have a probability of…

A:

Q: In the game of roulette, a player can place a $4 bet on the number 8 and have a probability of…

A:

Q: Illustrate a probability distribution of a random variable X showing the number of face mask sold…

A: Total masks sold = 25 + 20 + 15 + 14 +15 = 89

Q: In the game of​ roulette, a player can place a ​$5 bet on the number 28 and have a 138 probability…

A: Given: The winning amount of the player is $175. The probability of winning the game is 1/38

Q: You flip an unfair coin with Pr[H] = 0.3 three times. Find the expected number of heads flipped.

A: Let X= number of head  n=total number of observation = 3 p = probability of getting a head= 0.3 So,…

Q: If a random variable that follows exponential distribution shows that P(X2000)=0.7, Then P(30002000)…

A: Exponential probability distribution has memoryless property i.e. P(X < a   | X > b) = P(X…

Q: In the game of​ roulette, a player can place a ​$6 bet on the number 30 and have a 138 probability…

A: Solution: Let  x is the gain to a player in a game of​ chance.  The possible values of x are -6 and…

Q: In the game of roulette, a player can place a $6 bet on the number 3 and have a probability of…

A:

Q: You flip an unfair coin with Pr[H] = 0.3 three times. Find the expected number of heads flipped. 田

A: Expectation =Mean value  Since the coin is tossed three times head can come at 0 time ,1 time ,2time…

Q: You flip an unfair coin with Pr[H] =.2 three times. Find the expected number of heads flipped.

A: Probability of head appear is 0.2.

Q: d) What is the expected number of AAI members having the shares?

A: It is given that n =4 and p=0.25.

Q: Asample of n4scores is selected from a populution with a 40 with o 8, and the sample mean is M43.…

A: Given : μ = 40 , σ= 8 and n= 4

Q: A balanced die is rolled until the same result appears twice. If this takes place in less than 6…

A: Solution :

Q: A balanced die is rolled until the same result appears twice. If this takes place in less than 6…

A: The theory of probability has its origin in the seventeenth century. The king of France,…

Q: Two teams participated in 4 football game in 2008. The probability distribution for the data…

A:

Q: In the game of roulette, a player can place a $7 bet on the number 21 and have a 25 probability of…

A: It is given that the probability of the winning the game is 1/38. Therefore, the probability of…

Q: Show that the expected value of îN is p.

A: Given that p denote the probability that someone aupports the policy. And X denote the nunber of…

Q: For a certain instant lottery game, the odds in favor of a win are given as 81 to 19. Express the…

A: The odds in favor of a win is 81 to 19.

Q: In the game of roulette, a player can place a $6 bet on the number 3 and have a probability of…

A: It is given that if a player placed a bet of $6 on number 3 and ball land of number 3, player keep…

Q: In the game of roulette, a player can place a $9 bet on the number 16 and have a 38 probability of…

A: given that

Q: For a particular population, a sample of n = 4 scores has an expected value of 10. For the same…

A: Assuming the population follows normal distributionIf the population follows normal distribution,…

Q: In the game of roulette, a player can place a $10 bet on the number 13 and have a probability of…

A:

Q: You flip an unfair coin with Pr[H]=0.2 three times. Find the expected number of heads flipped.

A: Given that the probability of getting head=p= 0.2 n=number of trials= 3   Each trial is independent…

Q: A random sample of n = 9 scores is obtained from a normal population with μ = 40 and σ = 18. What is…

A:

Q: In the game of roulette, a player can place a $10 bet on the number 33 and have a 38 probability of…

A:

Q: 1) The population of SAT scores is normal with u 500 and a- 100. If you get a sample of n 25…

A: Mean(µ) = 500 Standard deviations (σ) = 100 n = 25

Q: A coin is biased such that a head is twice as likely to occur as a tail. Find the expected number of

A: When tossing a coin, the possible outcomes are Tail and Head. PH+PT=1 A coin is biased such that a…

Q: In a particular game, a fair die is tossed. If the number of spots showing is either 4 or 5 you win…

A: Provided information is, a fair die is tossed.  the number of spots showing is either 4 or 5 you win…

Q: If Xis a random variable having a binomial distributionwith n = 20 and p = 0.4, and Y is a…

A: The random variable X has a binomial distribution with n=20 and p=0.4. Here Y=2X+3.

Q: A sample of n=36 scores is selected from a normal population with μ=78 and σ=18.   (a) What is the…

A: Mean = 78 Standard deviation = 18 Sample size, n = 36

Q: In the game of roulette, a player can place a $8 bet on the number 6 and have a probability of…

A: Given information- We have given that; a player can place a $8 bet on the number 6 and have a 1/38…

Q: Suppose the table below gives the chances of winning or losing points in a game:Points Won/Lost –100…

A:

Q: In the game of​ roulette, a player can place a $8 bet on the number 2 and have a 1/38 probability of…

A: Reviewing information, X : Bet on no. 2  Winning probability=1/38 Winning amount=$280

Q: In the game of roulette, a player can place a $8 bet on the number 10 and have a 1/38 probability of…

A: