A raffle offers a first prize of $500 and 3 second prizes of $80 each. One ticket costs $1, and 400 tickets are sold. Find the expected payback for a person who buys 1 ticket. Is this a fair game? The expected payback for a person who buys 1 ticket is $ (Round to two decimal places as needed.)

A raffle offers a first prize of $500 and 3 second prizes of $80 each. One ticket costs $1, and 400 tickets are sold. Find the expected payback for a person who buys 1 ticket. Is this a fair game? The expected payback for a person who buys 1 ticket is $ (Round to two decimal places as needed.)

Holt Mcdougal Larson Pre-algebra: Student Edition 2012

1st Edition

ISBN:9780547587776

Author:HOLT MCDOUGAL

Publisher:HOLT MCDOUGAL

Chapter7: Percents

Section: Chapter Questions

Problem 10PTTS

See similar textbooks

Related questions

Q: 4. Phone calls arrive at the rate of 48 per hour at a Call Center. a. What is the probability of…

A: As per Bartleby guidelines I can't answer more than three sub parts per post. Hope you understand.

Q: I need four decimal places

A: Here, we have the probability of exactly 6 are sedimentary upto 3 decimal places.

Q: The data set for a random sample of 10 soccer player's heights compared to their shoe sizes is…

A: From given data we have :

Q: Page 339, 5.2.9.* Let X be x²(51). Using the limiting distribution discussed in Example 5.2.7,…

A: Solution: Let X be χ2(n=51)

Q: et X be a random variable with probability density function f(x) = 3x², 0≤x≤ 1. Let Y=X2. Find the…

A: Solution

Q: what is the probability that you land a head when tossing a fair sided coin?

A: From the provided information, A fair sided coin is tossed. Total outcomes = 2 (Heads, Tails)

Q: 4. (a) Let X be a random variable with mean 10 and variance 25. Can you conclude that the…

A: Please find the explanation below. Thank you.

Q: A CI is desired for the true average stray-load loss μ (watts) for a certain type of induction motor…

Q: A single cashier is able to serve 15 customers per hour at a store checkout. An average of 9…

A: Given that a single cashier is able to serve 15 customers per hour at a store checkout. An average…

Q: 1. Nine chairs are numbered 1 to 9. Three women and four men wish to occupy one chair each. First,…

A: Given Nine chairs are numbered 1 to 9. Three women and four men wish to occupy one chair each.…

Q: 2. (a) Find eigenvectors and eigenvalues of A= (b) Diagonalize the matrix A by finding D diagonal…

Q: 8. Use any method to calculate the sample mean, median, and standard deviation of the following…

A: Note: According to Bartleby guidelines expert solve only one question and rest can be reposted. Data…

Q: Melania is tracking her running training program. The table gives her 5K run time at the end of each…

A: According to the given information in this question We need to find regression equation

Q: Several bakeries in a town were asked the price for different amounts of donuts at their shop. The…

Q: Use the cdf to obtain the following. (If necessary, round your answer to four decimal places.) (a)…

A: It is given that X be the random variable denote the amount of time a book on two-hour reserve is…

Q: Using P-value approach, the statement below will be used when the null hypothesis and alternative…

A: Solution-: Using p-value approach, the statement below will be used when the null and alternative…

Q: 1. In a study on the nutritional qualities of fast foods, the amount of sodium was measured for a…

A: “Since you have posted a question with multiple sub-parts, we will provide the solution only to the…

Q: 5. A postmix beverage machine is adjusted to release a certain amount of syrup into a chamber where…

A: Given that Sample size = n = 25, Sample standard deviation = s = 0.015

Q: Let X and Y be random variables with joint den- (x+2y) 0 (a) Calculate P(X > Y). (b) Calculate…

Q: X= {a,b,c,10,11,12}, and Y={b,d,f,9,11,13). Let U = {a,b,c,d,e,f,9,10,11,12,13,14), List the members…

A: According to the given information, we have…

Q: The average count calculation errors at a local accounting firm per 12-h shift are 2.8. What is the…

A: Given that : λ=2.8

Q: Problem 3: The mean yearly mileage of the vehicles in a delivery company's fleet is 51,400 miles,…

A: A continuous random variable X is said to follow Normal distribution with parameters μ and σ2 if its…

Q: Suppose a linear probability model you have developed finds there are two factors influencing the…

A: Given Profit margin 6% Debt ratio 45%

Q: C(n, x)pxqn − x to determine the probability of the given event. (Round your answer to four decimal…

A: Let X be the random variable from binomial distribution with probability of successes (p) = 1/2 and…

Q: Hank is holding a red lollipop that is 20% to be cherry, 30% to be strawberry and 50% to be…

A: Define the events, A : The Lollipop is cherry B : The Lollipop is strawberry C : The Lollipop is…

Q: Can you please create a table representing what the probability distribution of the sum rolled on…

A: Given information, The sum rolled on two dice is need to be obtained. The sample space when two dice…

Q: Problem 2 Let X Uniform(0, 7/2). Find the density function of Y = sin(X). P

Q: For the experiment described below, let x determine a random variable, and use your knowledge of…

Q: Less than 4 year high school 4 years high school only Some college (Less than 4 years) 4 Years…

A: The table shows the educational attainment of a country's population, aged 25 and over.

Q: An ecologist wishes to mark off a circular sampling region having radius 10 m. However, the radius…

Q: A company has six male and four female applicants for vacancies. a) If two applicants are randomly…

A: From the provided information, A company has six male and four female applicants for vacancies.…

Q: A jar contains 10 red marbles, 6 green marbles, and 13 blue marbles. What is the probability that…

A: Given A jar contains 10 red marbles, 6 green marbles, 13 blue marbles.

Q: 1. An online website on pregnancy testing says that *Usually, if all care has been taken, [home)…

A: 1. Let A denotes the event that a woman is pregnant and B denotes the event that the test result is…

Q: What is the confidence level of each of the following confidence intervals for µ? Complete parts a…

A: Z is known as standard normal variable. It's value is obtained using standard Normal table. Z=…

Q: The teacher wants to list all test scores. Which of the following displays would represent the data…

A: From the information, grades are provided. Reasons for incorrect options: Bar chart: If need to…

Q: Problem 6 (a) Let X-N(μ1,02) and Y-N(μ2,02) be independent, where μ2> μ₁>0. Show that Y-X- Ν(μ2…

Q: Let X be a random variable with pmf P(0)=0.2, P(1)-0.5, P(2)=0.3. Let F(X) be the cdf of X. (a) Find…

A: let X be a random variable. PMF of X ; P(0) = 0.2, P(1) = 0.5, P(2) = 0.3 F(X) be the cdf of X.

Q: Data were collected on the distance a frisbee will travel when thrown at a certain speed. The speed,…

A: y=distance in yards x=speed in miles per hours

Q: 4. A random survey was conducted in order to determine whether the recent campaign to pro- mote…

A: Given information: n = 200 x = 160 PRecycled the newspaper=70%=70100=0.70

Q: Can you please create a graph representing what the probability distribution of the sum rolled on…

A: Given: First die has sides (0, 1, 2, 3, 4, 5) and the second die has sides (2, 3, 4, 5, 6, 7)

Q: (a) Let X-N(μ1,0²) and Y~N(μ2,0²) be independent, where H₂> H1>0. Show that Y-X - Ν(μ2-11,207). (b)…

A: a) Given information: X~Nμ1,σ2 and Y~Nμ2,σ2 Consider, EY-X=EY-EX =μ2-μ1 VY-X=VY+VX…

Q: 10. Give an example that Xn X but Xn does not converge to X in probability.

A: 10. Let Xn=-X, for n=1,2,3,... where X~N(0,1). Now, the CDF of Xn is FXn(xn)=PXn≤xn, for xn∈ℝ and…

Q: What is the confidence level of each of the following confidence intervals for μ? Complete parts a…

A: Z is known as standard normal variable. it's value is obtained using standard Normal table.

Q: 2. a. Provide two dependent events. b. Explain how you know these events are dependent. c. Explain…

A: The phenomenon or circumstances of one event depending on another event is known as dependent…

Q: If you randomly select a card from a well-shuffled standard deck of 52 cards, what is the…

Q: Please! I need help with this. This is a probability question. Please answer in a written paper.…

A: PROBLEM STATEMENT : - There are three doors, behind one a nice car, behind each of the other two a…

Q: Let U = {a,b,c,d,e,f,10,11,12,13,14,15}, X= {a,b,c,10,11,12}, Y = {b,d,f,11,13,15}, and Z=…

A: According to the given information, we have…

Q: A CI is desired for the true average stray-load loss μ (watts) for a certain type of induction motor…

A: It is given that Standard deviation, σ = 2.9 Note: According to Bartleby expert guidelines, we…

Q: Sales 11 10+ 9- 8- 7+ 6+ 5+ 4+ 3 2+ 1+ Mon 1.l Wed Thur Q Tue The plot above shows the number of…

A: The bar graph for the number of computers sold on the first four days is given.

Q: For n = 1,2..., let Xñ be a r.v., and let X be a r.v. Prove that if XnX then XX.

A: We are required to prove that 'Convergence in probability implies convergence in distribution' which…

Question

8.5 Q8) Hey! Need help answering this question, it states to round to two decimal places as needed. The question asks for the expected payback for a person sho buys one ticket. Thank you!