A lottery has a grand prize of $2,000,000, 4 runner-up prizes of $125,000 each, 11 third-place prizes of $18,000 each, and 25 consolation prizes of $5,000 each. If 13 million tickets are sold for $1 each, and the probability of any ticket winning is the same as that of any other winning, find the expected return on a $1 ticket.

Q: Each of the two players, A and B, get 26 cards at random. Find the probability that each player has ...

A:

Q: 2. A particular telephone number is used to receive both voice calls and fax messages. Suppose that ...

A:

Q: Direction: Find the area under the normal curve of the following z-values, then sketch the curve. Wr...

A: Let Z be the random variable from normal distribution then,  We will find the area ? 

Q: Please calculate Cronbach's alpha.

A: Here Given  No of Items=k=23 Variance for total score=s2y = 218.84 ∑Si2 = 218.84  

Q: Problem Solving: 5. The amount of X of beverage in a can labeled 12 ounces is normally distributed w...

A:

Q: QUESTION 1 Consider the following ARMA model for {y,}: ',=a,+ 2 j=1 +E,+ l=1 where {e) is the residu...

A: Please note that as per our guidelines if multiple questions are posted we can answer the first ques...

Q: n = 0 PN (n) = {0.3 n = 1,2, 3 O therwise 0.1 Voice calls cost 25 cents each and data calls cost 40 ...

A:

Q: 5. Lunch Cart You want a sandwich, a side order, and a drink from a lunch cart that offers 4 types o...

A: According to rule of combination the number of ways to select r number of elements out of total n nu...

Q: the data attached, please fill in BOTH blanks: The slope increases from 3,330 to ____ dollars/carat ...

A: Slope = SP/SSx Intercept = My- slope *Mx My= mean of y Mx= mean of x

Q: Let X be a random variable with the following probability distribution. Value x of X P(X=x) 0.30 0.0...

A: We have given that  Probability distribution of discrete.  I want to find mean and variance.  E(x)= ...

Q: Consider ratings of 4 “Agree” or 5 “Strongly Agree” to mean that test takers have obtained a “high” ...

A: ID # Item 1 Item 2 Item 3 Item 4 Item 5 Item 6 BRS Total Score 25 5 5 5 5 5 5 55 24 5 5 2 4 5 5 ...

Q: Three friends The data of several votings is presented in the table. Andrey Bob Constantine Final de...

A: Their rule is monotone because

Q: Construct the probability distribution of X. b) What is the expected gain from buying one ticket? Is...

A: Let's do Lottery! Fifty raffle tickets, each worth 5 pesos are sold. One ticket will win 50 pesos, t...

Q: Making use of the data summarised below calcu- late the coefficient of correlation. Case 1 2 3 4 5 6...

A:

Q: estion 15 In the country of United States of Heightlandia, the height measurements of ten-year-old c...

A: Let X be the random variable from normal distribution with mean (μ) = 56.3 inches and standard devia...

Q: 2. Consider the following data representing the life in hours of incandescent bulbs. 1,067 919 1,196...

A: Since you posted a question with  multiple subparts, we will solve first three subparts for you. To ...

Q: From the following information, find the standard deviation of x and y variable: Σy-250 Σx= 235, Σχ2...

A:

Q: 1. From a random sample of nine students in a class, scores on the midterm exam (X) and the final (Y...

A: Given data is  X 77 50 71 72 81 94 96 99 67 Y 82 66 78 76 80 85 99 99 68

Q: identify how many samples are there in each grade level.

A: Here use formula of stratified sampling method 

Q: 16. A single card is drawn from an ordinary deck S of 52 cards. Find the probability p that the card...

A: We have given that.  There are 52 card in the deck in which they divided into two color i.e red(26) ...

Q: A bag contains 5 gold marbles, 9 silver marbles, and 21 black marbles. The rules of the game are as ...

A:

Q: Select all plots that are commonly referred to as Residual Plots

A: Residual Plots mainly used to plots the residual on one of the axis and other variable on other Axis

Q: 24. You Explain It! Screen Time Michael Sullivan, the author of this text, determined the mean amoun...

A: From the provided information, Confidence level = 95% Sample mean (x̄) = 81.3 Lower bound = 72.9

Q: Let X = (X1, X2)', and X1 and X2 are iid random variables with common pmf f (x\0) xlog(1 – 0)' where...

A: The mean of X is given by, E(X)=-∑x=1xθxxln(1-θ) =-1ln(1-θ)(θ+θ2+θ3+......)=-θln(1-θ)(1+θ2+θ3+.........

Q: The mean factory overhead per employees in goods-producing industries is currently $4.57. Suppose a ...

A: We have given that  Sample size n =25 Population mean=4.57 Sample mean =3.89 Sample standard deviati...

Q: Consider a population consisting the scores of 6 students in a Statistic test. 18, 22. 25. 28, 32, 3...

A: Population, Xi: 18, 22, 25, 28, 32, 36 Mean= ΣXi/N  Here population size, N= 6 Mean = (18+22+25+28+3...

Q: In Exercises 50-80, identify the class width, class midpoints, and class boundaries for the given fr...

A: Given data is Age(yr) of Best Actress When Oscar was won Frequency 20-29 31 30-39 34 40-49 ...

Q: 7. If µs = 0.28 and of = 0.07, what is the percent of a value being below 0.20

A:

Q: Mean of 100 observations is found to be 40. If at the time of computation two items are wrongly take...

A:

Q: Suppose that the antenna lengths of woodlice are approximately normally distributed with a mean of 0...

A: We have given that.   X~N( μ , ?^2 )   μ =0.25 , ? =0.05   Z-score =( x - μ )/?

Q: a. Are X and Y independent? Show your solution. b. Find P[X > 0.3|Y = 0.5]

A:

Q: BUS – 173 (Applied Statistics) Determine if the following statement are True or False. If False, wri...

A: We want to tell you which one is the True 

Q: With a view to study whether the working condition in a factory had any influence on the frequency o...

A: The objective is to calculate COEFFICIENT OF ASSOCIATION of given data.  

Q: Dis - The them Drav

A: The objective is to find mean median and mode . ans-9  

Q: At pandemic time of COVID 19 surveys are conducted in two townships which fall into the same Lusaka ...

A: Given: No. of positive tested people in Chawama, x1 =175 Sample size, n1=318 No. of positive tested ...

Q: Margin of Standard Required Level Error D Deviation (O) Sample Size 90% 0.5 unit 12 95% 0.09 unit 1....

A: Givenfor 90% confidence levelMargin of error(E)=0.5standard deviation(σ)=12

Q: 1. 1. The volume and complexity of electoral legislation and regulation constitutes a real barrier t...

A: "Since you have asked multiple questions, we will solve the first question for you. If you want any ...

Q: kindly assist.   An epidemiologist who is working in Capricorn Department of Health investigated t...

A: INTRODUCTION:  lARGE SAMPLE TEST FOR POPULATION PROPORTION. The test of proportion is used to test w...

Q: What is the definition of a simple random sample? OA simple random sample is obtained through conven...

A: Given that Last option is correct  Explanation 

Q: IT firm HelpTech offers technical support for corporate clients across the country. The number of bi...

A: Data is given from 2017 to 2020 We have to calculate seasonal index number for each month of 2020 Fo...

Q: Suppose that about 82% of graduating students attend their graduation. A group of 22 students is ran...

A: Note: According to Bartleby expert guidelines, we can answer only first question with their three su...

Q: Consider a population consisting the scores of 8 students in a Statistic test. 18, 22. 25, 28, 32, 3...

A: The population is the complete set of elements or observations. The sample is the subset of a popula...

Q: Answer D,E,F only. Thank you.

A: Box plot was used to measure the outlier in the data set. It is the graph that contain quartile meas...

Q: A firm produces 550 T.V. sets during its first year. The sum total of the imm's production at the en...

A: Given that - A firm produces 550 T.V. sets during its first year. The sum total of the imm's product...

Q: A box contains 4 identical dice out of which three are fair and the fourth is loaded in such a way t...

A:

Q: 3. The following table is based on automobile accident records in 1988, supplied by the state of Flo...

A: (a) The objective is to find the log linear model that describes the data. First, enter the data in ...

Q: stem and leaf plot? Also include its median.

A: Here Given total number of data =20

Q: 15. OLD FAITHFUL Listed below are sorted duration times (seconds) of eruptions of the Old Faithful g...

A: We have given that the sorted duration times (seconds) of eruptions of the Old Faithful geyser in Ye...

Q: A hypothesis testing: Ho: p =0.71 HA: p <0.71. We conduct a survey with sample size n =856 and have ...

A:

Q: QUESTION 5 The probability distribution of the random variable X is given in the following table. Fi...

A: