In a charity raffle, players pay $10 for a ticket. Out of each batch of 500 tickets, 1 ticket wins $1000, 6 win $100, and 20 of them win $20. The remaining tickets have no prize awarded. What is the expected value to the player that purchases one of these tickets?

Q: na ceratin village in Kenya, 8% of the inhibitants have malaria. If 5 inhabitants of the village are…

A: Given, p =  8% = 0.08 n = 5 q = 1-0.08 = 0.92 To find : P(at least one of them having maleria) We…

Q: In the Lotsa Millions Lottery, players pick 7​​ numbers from between 1​ and 37​. The order of the…

A: In the Lotsa Millions Lottery, players pick 7​​ numbers from between 1​ and 37​.

Q: 2.If two cards are drawn without replacement from a deck of playing cards, find the probability that…

A: Answer: - Given, If two cards are drawn without replacement from a deck of playing cards,…

Q: Out of a class of 30 students, there are 16 students who study Latin, 21 who study German, and 7 who…

A: Given,no.of students who study Latin(L)=16no.of students who study German(G)=21no.of students who…

Q: Suppose you play a coin toss game in which you win $1 if a head appears and lose $1 if a tail…

A: Given: It is given that heads come up 37 times and tails come up 63 times in the first 100 coin…

Q: 71% of all students at a college still need to take another math class. If 5 students are randomly…

A: Solution: Given that, 71% of all students at a college still need to take another math class p=0.71…

Q: A gathering with 750 professionals is held. Females make up 450 of the attendees. Half of the female…

A: Given that  Total attendees=750 Female attendees=450 Male attendees=750-450=300 Female attendees…

Q: 3. A recent report was issued that suggested 45% of all cell phone calls in 2022 will be scams.…

A: The provided information is  n=500 p=0.45 X~B(n=500,p=0.45)   The mean and variance is…

Q: A modified roulette wheel has 32 slota. ONE Slot is 0, another is 00, and the otheres are numbered 1…

A: 0 and 00 are neither odd nor even. In 1 through 30, there are 15 even numbers. So number of chances…

Q: A. Explain why the suits within a deck of cards are mutually exclusive B. Find the probability of…

A: A. Mutually exclusive events are those events that cannot occur together in a single trial.  In a…

Q: Listed below are the amounts of net worth (in millions of dollars) of the ten wealthiest celebrities…

A: Given data: Confidence level = 95%

Q: There are 35 students ina class. One of them will be elected as the class monitor. The type of…

A:

Q: Of the cartons produced by a​ company, 9​%have a​ puncture, 3​% have a smashed​ corner, and 0.5​%…

A: Given : Let A : Cartons has a puncture P(A) = 9% = 0.09 Let B : Cartons has a smashed corner P(B) =…

Q: Suppose you are dealt 5 cards from a well-shuffled deck. Find the probability of getting each of the…

A: Given information: Total number of cards in the deck = 52 Number of cards to be dealt = 5

Q: In a sweepstakes, 100,000 entries have been received. If 1 Grand Prize, 5 First Prizes, 25 Second…

A: See the below solution

Q: Alice has 8 pennies, 4 nickels, 2 dimes, and 6 quarters in her pocket. If one coin is drawn…

A:

Q: You draw three bolls from a box containing 9 red and 10 blue bolls. What is the probability to draw…

A: A box contains 9 red and 10 blue bolls.

Q: An urn contains five $10 each, three of $30 each and two $50 each. If three tokens are drawn…

A: It is given that an urn contains five $10 each, three of $30 each and two $50 each.

Q: A survey has four question True/False was given out. You randomly pick one out of the stack.…

A:

Q: Determine the probability of your outcomes from the following: Two coins (All heads) Three coins (2…

A: The total possible outcomes for two coin tossed are {HH, HT, TH, TT} The total possible outcomes for…

Q: The game of roulette consists of placing a bet on one of 38 colored slots on a wheel. Of the 38…

A:

Q: If the probability of a person winning on a scratch-off lottery ticket is 0.016, the odds of winning…

A: Given: P(winning a scratch -off lottery ticket) = 0.016

Q: In a village in Kenya, 8% of the villagers have malaria. If 5 villagers are chosen at random, wh

A: Given information, The percentage of the villagers have malaria is 8%. There are 5 villagers chosen…

Q: In Bayside County, 45% of voters are registered Democrats. If three voters are selected at random,…

A: Given, P = 0.45 n = 3 x = 3 Here we use binomial distribution

Q: Out of the 5000 residents of a small town, 470 of them have diabetes. If a resident is chosen at…

A: Number of residents (n) = 5000 Number of residents with diabities (x) = 470. Plug in all the values…

Q: In a group of dogs, 20 dogs are poodles and 30 dogs are beagles. If a dog is selected at random,…

A: We want to find the probability a beagle is selected

Q: From a commitee of 12 people, 3 of these people are randomly chose to be president, vice president,…

A: Given: From a committee of 12 people, 3 of these people are randomly chose to be president, vice…

Q: During the days of coronavirus, people work most of the time from home. Many offices, schools,…

A: Given:

Q: In a deck of 52 cards, what is the probability of getting a hand of five cards and getting exactly…

A: The number of ways to select 5 cards from deck of 52 cards=C552=52!5!…

Q: what is the chance that a buyer of one ticket will have the winning ticket?

A: number of favorable event =1 total event =225000000   so probability = 1/225,000,000