One state lottery has 1,100 prizes of $1; 140 prizes of $10; 25 prizes of $60; 5 prizes of $290; 2 prizes of $1,080; and 1 prize of $2,800. Assume that 21,000 lottery tickets are issued and sold for $1. Question 3 What is the lottery's expected profit per ticket? Question 4 What is the lottery's standard deviation of profit per ticket?

Q: Given the following data for an imaginary superhero universe: Flying Telepathy Super…

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Q: The miles per gallon obtained by the 1995 model Q cars is normally distributed with a mean of 22…

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Q: A sampie of size n=90 is drawn from a population whose standard deviation is o = 12.

A: Given,standard deviation(σ)=12sample size(n)=90α=1-0.99=0.01α2 =0.005z0.005 =2.58

Q: Given the following data for an imaginary superhero universe: Flying Telepathy Super Strength Female…

A: The given data is:

Q: QUESTION 3 A machine that produces a major part for an airplane engine is monitored closely. In the…

A: Given,margin of error(E)=0.04standard deviation(σ)=0.30α=1-0.95=0.05α2=0.025Z0.025=1.96      (from…

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Q: One state lottery has 1,100 prizes of $1; 115 prizes of $10; 25 prizes of $65; 5 prizes of $280; 2…

A: Given total lottery tickets sold 33,000 per $1 each.Number of $1 prizes = 1100Number of $10 prizes =…

Q: QUESTION 2 The IQ test has a mean of 100 and a standard deviation of 15. Suppose a simple random…

A: The standard error can be calculated as: SE=σn Here, σ = Standard deviation n = Sample size

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Q: 1. It has been reported that the average credit card debt for college seniors at the college book…

A: 1. The provided information is  x¯=10900σ=2590n=50 a. The null and alternative hypothesis…

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A: A normal random variable is a variable with three major characteristics.

Q: Exhibit 6-4 The starting salaries of individuals with an MBA degree are normally distributed with a…

A: Given,mean(μ)=$40,000standard deviation(σ)=$5,000

Q: Question 20. part C. Nationally, patients who go to the emergency room wait an average of 7 hours…

A: Given: Sample mean waiting time x¯= 5.8 Sample standard deviation (s)= 1.7 Sample size of patients…

Q: QUESTION 3 If a random sample of size 15 is drawn from a normally distributed population with mean…

A: Given : X follows t distribution.

Q: Question 20: The range of a battery of a newly produced Electric vehicle is normally distributed…

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Q: Calculate the standard deviation of the following four observations: 12,13,15,20

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Q: Question 4 (a) At a certain community college, the time that is required by candidates to complete…

A: We want to find the probability  A) P(56<x<60) Note: According to bartleby experts question…

Q: uestion 7.6. A sample of 105 sanitation workers for the city of Euonymus, Texas, earns an average of…

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Q: According to Neilson & Co adults watch an average of 30 hours of a TV a week. Assume the population…

A: Given : μ = 30 , σ= 12 and n= 30 By Central Limit Theorem, x̅ follows a Normal distribution with…

Q: Given the following data for an imaginary superhero universe: Flying Telepathy Super Strength Female…

A: From the provided information,   Flying Telepathy Super Strength Total Female 96…

Q: 1) The tread life of a particular brand of tire is a random variable best described by a normal…

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Q: Chapter 11 A psychology professor working at Fullerton College wants to test whether students who…

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Q: A sports shop selects a random sample and records the sales of items made in China and those made in…

A: 1. The SE Mean for the sales from China is 1.38, which is obtained below: SE=sn=9.7550=1.38

Q: QUESTION 9 Assume the cost for an automobile repair is normally distributed with a mean of $524 and…

A: (9) Obtain the cost if the lower 7% of automobile repair charges. The cost if the lower 7% of…

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Q: QUESTION 15 The standard devation for a sample is most kely larger than the standard deviation of…

A: Hey there! Thank you for posting the question. Since there are multiple questions posted, we will…

Q: The probability that a house in an urban area will be burglarized is 5%. A sample of 50 houses is…

A: (d) The standard deviation of the number of burglarized houses is 0.353, which is obtained below:…

Q: Given the following data for an imaginary superhero universe: Flying Telepathy Super Strength Female…

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Q: A gambling casino records and plots the mean daily gain or loss from 5 blackjack tables.  The…

A: Given:             n=5           E(Xbar) =$10825           S. D(X) =$1610

Q: QUESTION 4:   If the average yield of cucumber acre is 800 kg, with a variance 1600 kg, and that…

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Q: QUESTION 10 An investor has decided to form a portfolio by putting 3596 of his money into Google's…

A: The proportion of investments in the stocks, Google and Apple are:   The expected returns of the…

Q: cereal-packing company where the content of cereal boxes must have a mean of 368 grams and a…

A: Solution: Given information: μ= 368 grams Population mean σ= 15 gram  Population standard deviation…

Q: Find the standard deviation for the given data. Round to one more decimal place than the original…

A: We have given that,  Rhe data set are: X:- 3, 5, 6, 6, 9, 1 Then,  We will find the standard…

Q: calculate the standard deviation of the following four observations: 13,14,16,18

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Q: QUESTION 19 A new electric car has batteries that can power the car for a certain amount of time. Of…

A: Given,mean(μ)=28standard deviation(σ)=10and the cars operation time is normally distributed

Q: Given the following data for an imaginary superhero universe: Flying Telepathy Super Strength Female…

A: Empirical probability: The ratio of the desired number of required outcome and the number of all of…

Q: superhero

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Q: 26. The hourly wages for a sample of part-time employers at Pickett's Hardware Store are RM 12, RM…

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Q: Consider the following random sample from a normal population given in the table below. What is the…

A: Where s2 is sample Variance And n is sample size. S2 = E(X2) -( E(X))2 E(X)= summation Xi /n E(X2) =…

Q: Assume the number of physical damage losses for houses as a result of hurricane Irma in Barbuda is…

A: Given that  X~N( μ = 4000 , ? = 800 ) μ = 4000 , ? = 800 Z-score =(x-μ)/? Note: According to…

Q: QUESTION 1 (a) Consider the following set of replicate measurements: 9.5, 8.5, 9.1, 9.3, 9.1…

A: Instruction : Please help with Question 1 (a)   a) Given Data : 9.5,8.5,9.1,9.3,9.1   XX X2X^2…

Q: Given the following data for an imaginary superhero universe: Flying Telepathy Super Strength Female…

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Q: 4. According to a 2019 Federal Reserve report, 54% of U.S. young adults who went to college took on…

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Q: The following are amounts of total snow falls (in inches) in different Midwestern cities in the…

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Q: draw a sample of size 30 from a normally distributed population with a standard deviation of four.…

A: Here Sample of size 30 is drawn from NORMAL POPULATION

Q: Given the following data for an imaginary superhero universe: Flying Telepathy Super Strength Female…

A: The table given in the problem represents the superhero data. From the table, The total number of…

Q: B.) Select the best answers regarding the figures below. 1.) In the sample distributions in Figure…

A: B.) 1.) If the curve of the sampling distribution is flattened and wider, then the standard…

Q: 1) A private entity has recorded that the population average of unemployed persons per year in a…

A: From the given information n = 100 μ=230 x=24 σ=2

Q: 25. Given the following data for an imaginary superhero universe: Flying Telepathy Super…

A: To find; The empirical probability that a randomly selected superhero will have super strength?