L40 Courses Profile Sydney Sign Out Number of photocopies per teacher 100 200 300 400 500 per day, n P(n) 0.24 0.15 0.22 0.26 0.10 0.03 If the school has 50 teachers, what is the expected value of the total number of photoconies.

Q: Value of X Probability -3 0.25 -1 0.15 2 0.4 3 0.2 What is the expected value of x?

A: From the provided information, The expected value of X can be obtained as: Here p(x) is the…

Q: Five hundred chances are sold at $7 apiece for a raffle. There is a grand prize of $700, two second…

A: Given that: Number of chances = 500 Selling price of a lottery = $7 Prize amount for the grand prize…

Q: The percentage of vehicles on a freeway that violate the speed limit is π = 0.88 You randomly clock…

A: Given, π = 0.88n = 80   E (X) = n × π = 80 × 0.88 = 70.4

Q: ere are 3 prizes: first prize is $500; second prize is $200; third prize is $100. What’s the…

A: The number of tickets sold is 1000. The probability distribution table for the data is given as .…

Q: A community youth group is having a raffle to raise funds. Several community businesses have donated…

A: a) To compute the expected value, multiply each possible value by its probability and add its…

Q: sa e -e Sb (5)= 5(b-a) Calculate the expected value of the random variable X.

A: It is the mgf of uniform distribution such that X~ U(a,b)

Q: Amount of claim Probability (to the nearest $50,000) The table shows claims and their probabilities…

A: Givan data is : (c) To find the value of how much should the company charge to make a profit of $50…

Q: The PTO is selling raffle tickets to raise money for classroom supplies. A raffle ticket costs $5.…

A: For the given The PTO is selling raffle tickets to raise money for classroom supplies. A raffle…

Q: A state fair sells 500 lottery tickets for $5 each. Twenty people will win $25, five people will win…

A: Given that  Total number of lottery tickets sold (n) = 500 Each ticket costs (x) = $5 Number of…

Q: A coffee franchise is opening a new store. The company estimates that there is an 80% chance the…

A: to determine the expected value

Q: alottery ticket costs you $5. 10,000 lottery tickets are sold with only one ticket can win $5,000.…

A: It was stated that a lottery ticket costs $5. 10,000 lottery tickets are sold with only one ticket…

Q: You buy a $1 ticket in a raffle. There are 1,000 tickets sold. Tickets are selected out of one of…

A: We make a table using the given data Prize 500 200 100 0 frequency 1 1 1 1000-3=997…

Q: Arizona’s “Cash 4” is a 4/26 lottery. The lottery costs $1 to enter. If you match allfour numbers,…

A: Cash 4 is a 4/26 lottery, which mean 4 numbers are drawn from 26 numbers and matched with the…

Q: A community youth group is having a raffle to raise funds. Several community businesses have donated…

A: Given information- We have given that a community youth group is having a raffle to raise funds.…

Q: I own a bar by Raymond James Stadium when the Bucs play. I do a lot of business game day. If the…

A: Let X be the discrete random variable with the probability value P(X=xi). The expected value is…

Q: Life Insurance A 37-year-old woman purchases a S100,000 term life insurance policy for an annual…

A:

Q: Discrete Probability: 4. Five cards are dealt from a standard deck. a) What is the probability…

A:

Q: Business projection: An investor is considering a s10,000o investment in a start-up company. She…

A:

Q: At a financial institution, a fraud detection system identifies suspicious transactions and sends…

A: To determine: The expected number of blocked transactions by the specialist Given data: At a…

Q: Lottery: In the New York State Numbers lottery, you pay $3 and can bet that the sum of the numbers…

A: The formula for expected value of profit is given below:

Q: If a coin tossed three times, X defined as random variable for number of heads; a. What is the…

A: There are two possible outcomes for each toss of a coin; therefore, the number of elements in the…

Q: An insurance company charges an annual premium of $500 for a policy against the theft of a painting…

A: Consider the given information.

Q: A coffee franchise is opening a new store. The company estin lose $3,500. Determine the expected…

A: Given, the company estimates that there is an 80% chance the store will have a profit of $45,000, a…

Q: A new vaccination is being used in a laboratory experiment to investigate whether it is effective.…

A: The number of subjects who are vaccinated is 117 and the number of subjects who are diseased is 125.

Q: Rafile Things to da: Make a plan for a Christmas raffle bonanza in which the PWD (Person with…

A: The ticket is priced at 10$ and The prizes include: 1.A trip for two on the Maldives-Cost of the…

Q: Five hundred chances are sold at $7 apiece for a raffle. There is a grand prize of $650, two second…

A: Using the given information we make a table Winning amount (xi) 650 300 75 Probability (pi)…

Q: UC ttery: In the New York State Numbers lottery, you pay $1 and can bet that the sum of the numbers…

A: (a)The expected value of profit is obtained below:There is 0.06 chance of profit is $8.50, there is…

Q: A box containing 7 gaming monitors is sampled by a quality inspector; the box contains 4 quality…

A: For equally likely outcomes, the probability of favorable event can be given by dividing the number…

Q: čommunity youth group having a raffle to raise funds. Several community businesses have donated…

A: The number of tickets sold is 1000 and it is known that the cost of a ticket is 15$. The prizes…

Q: A new vaccination is being used in a laboratory experiment to investigate whether it is effective.…

A:

Q: 3. A lemonade stand sells 70 cups of lemonade per day if the temperature is higher than 85; 40 cups…

A: Given, Number of cups of lemonade stand sells when temperature of the day  is above 85= 70 Number of…

Q: 4) Listen On a typical quiz, 10% of the class scores 4 points, 20% scores 3 points, 50% scores 2…

A:

Q: are inspected in one day. What is the expected value of the number that fails inspection in one day?…

A: It is given that  The random variable X that is inspection follows Binomial distribution with…

Q: Question Darryl plays a card game with his sister. He uses a 52 card deck and she chooses 1 card. If…

A: Given that, Darryl plays a card game with his sister. He uses a 52 card deck and she chooses 1 card.…

Q: A company makes electronic components for TV's. 92% pass final inspection. 132 components are…

A: GivenCompany makes electoninc components with pass final inspection =0.92company makes components…

Q: The percentage of vehicles on a freeway that violate the speed limit is π = 0.88 You randomly clock…

A: We have given that,  Let X be the random variable from binomial distribution with π = 0.88 and n =…

Q: Jamal is a soccer player who makes 45% of goals What is Jamal's expected value for goals in a soccer…

A:

Q: possIbie It is estimated that there are 31 deaths for every 10 million people who use airplanes. A…

A:

Q: A new vaccination is being used in a laboratory experiment to investigate whether it is effective.…

A:

Q: A lemonade stand sells 70 cups of lemonade per day if the temperature is higher than 85; 40 cups of…

A: Given: Number of cups sold if temperature is higher than 85 = 70 Number of cups sold if temperature…

Q: A coffee franchise is opening a new store. The company estimates that there is a 70% chance the…

A:

Q: erry is a 60% free throw shooter and is in a one-and-one situation. (You need to make the 1st free…

A:

Q: A community youth group is having a raffle to raise funds. Several community businesses have donated…

A: From the given information, Prize Retail value Number of These prizes to Be Given Away New car…

Q: Revenues Low Medium High (0.37) (0.24) A 500 700 900 B 100 600 1200 C| 1400 800 400 Determine what…

A: Note: Hey, since there are multiple questions posted, as per guidelines we will answer first…

Q: Prize Chances $25,000,000 1 chance in 200,000,000 $150,000 1 chance in 150,000,000 $75,000 1 chance…

A: Given The probability mass function is as follows: Let X be the amount won by one entry

Q: In studying endangered species, scientists have found that when animals are relocated, it takes x…

A:

Q: Roll a fair die (uniform 1,2,3,4,5,6) repeatedly. You and Peter are betting on the number shown on…

A: a) Given that the fair die is rolled. The fair dice has sides 1, 2, 3, 4, 5, 6. If the number is 4…

Q: Lottery: In the New York State Numbers lottery, you pay $3 and can bet that the sum of the numbers…

A: It is given that the probability of winning is 0.095. Therefore, the probability of loss is 0.905…

Q: Probability Scores 0.05 3. 0.25 0.25 0.3 9. 0.05 12 0.05 13 0.05 14 Find the expected value of the…

A: Solution: Let X be the score. The given probability distribution of X is