The probability of winning the first prize in a lottery of a man is 15/100. If the total of 3500 tickets are sold, then how many tickets the man purchased?

Q: Because of tourism in the state, it was proposed that public schools in Michigan begin after Labor…

A: The objective of this question is to conduct a hypothesis test to determine if the proportion of…

Q: Tupps Motors which was established in year 2000, sells 5 brands of new passenger vehicles Holden,…

A: The solution involved creating a bar chart to compare the sales of the top 10 passenger vehicle…

Q: There are "m+4" rows and 7 columns in a chi-squared distribution table.The degree of freedom is…

A: Given,Number of raws, R = m+4Number of columns, C = 7The degrees of freedom, df = 24We need to find…

Q: The CSV file modeldata.csv contains 200 observations of 4 explanatory variables (x1, x2, x3, x4) and…

A: A residual plot is given, where the fitted y values are on the x axis, and the standardised…

Q: The cross-tabulation data given below show the number of people who rated a customer service…

A: The given data is as follows:Friendliness/Politeness Staff GreetingNoYesTotalNo…

Q: Someone claims that the waiting time, in minutes, between hits at a certain website has the…

A: The objective of the question is to determine the probability of waiting for more than 5 minutes for…

Q: Let T ∼ Γ (4, 0.7).   Find P(T ≤ 1). (Round the final answer to four decimal places.)

A: The random variable i.e. T follows the gamma distribution with

Q: A student wants to survey the sophomore class of 200 students about whether the school should…

A: The objective of this question is to calculate the 90% confidence interval for the true proportion…

Q: A baseball player has a batting average of 0.295. What is the probability that he has exactly 5 hits…

A: 0.0233Explanation:This is a binomial problem because it satisfies the four conditions of a binomial…

Q: A survey found that women's heights are normally distributed with mean 63.7 in and standard…

A: a)  The percentage of women who meet the height requirement         =   99.34 %      (round 2…

Q: What is the difference between population and sample in statistics? A) Population refers to a subset…

A: Answer: Step 1: Understanding the Concepts. To answer this question correctly, we need to understand…

Q: Given the probability distribution below, find the missing value, : x    P(X=x)     -71 0.121…

A: The objective of this question is to find the missing probability value, y, in the given probability…

Q: A student was asked to find a 99% confidence interval for widget width using data from a random…

A: The answer is the Third Option: With 99% confidence, the mean width of all widgets is between 12.1…

Q: Problem #2: A random sample of 21 students at a large university has a mean GPA of 3.28. GPAs at the…

A: Sample size = 21Sample Mean =3.28Standard deviation =0.50.The question's purpose is to determine the…

Q: A newspaper reports that the average consumer in a certain neighborhood spends $565 per month on…

A: The objective of this question is to calculate the margin of error for a 95% confidence interval…

Q: Calculate the coefficient of variation for Team A and B. Interpret the result.

A: The data is given on the service time of team A and team B.Given that,Sample size

Q: can you do the next part of the question please

A: In order to  estimate the parameters, we need to calculate the sample mean and sample variance of…

Q: Let T ∼ Γ (r, λ). If μT = 8 and σ2 T= 24.00, find r and λ. (Round the final answer to two decimal…

A: The question is about gamma distribution.Given :T follows gamma distribution.Mean (  ) = 8Variance (…

Q: Help needed for animal breeding! Not all equations shown are needed.

A: Animals and Their Parents:Regina (R) - Sire: Mercury (M), Dam: Decote (D)Dutchess (U) - Sire: Farry…

Q: A young investment manager tells his client that the probability of making a positive return with…

A:

Q: Let X be the number of blueberries on a muffin made by Michael, and denote by m to be its median.…

A: a) Sign Test: - Charles wants to test whether the median number of blueberries in Michael's muffins…

Q: Assume that X is a hypergeometric random variable with N=24, S=7, and n = 5. Calculate the following…

A: From the provided information,X is a hypergeometric random variable with N = 24, S = 7, and n = 5

Q: Q10.8

A: Thanks.Explanation:A.)Then, the 90% confidence interval is given by;= xbar ± t*(s/sqrt(n))=270.5 ±…

Q: Not apart of assignment, practice work

A: Below is the simplified answer....!Explanation:Step 1: Step 2: Step 3: Step 4:

Q: The Acme Company manufactures widgets. The distribution of widget weights is bell-shaped with a mean…

A: a.Suppose the random variable x defines the weight of a randomly selected widget.According to the…

Q: Show all work

A: Finally, we can say that :…

Q: American households increasingly rely on cell phones as their exclusive telephone service. It is…

A: The question is about discrete probability distribution.Given :Proportion of households have…

Q: A normal distribution has a mean of 150 and a standard deviation of 8. Find the z-score for a data…

A: The objective of this question is to find the z-score for a data value of 151 in a normal…

Q: 3.4.7 Let X, be a Markov chain with transition probabilities P. We are given a "discount factor" ẞ…

A: denotes a Markov chain with transition probabilities .The discount factor:  where .Cost functionThe…

Q: Study The following data was obtained on a study regarding low carb diet and a high protein diet.…

A: The sample mean and sample standard deviation for low carb and high protein are given.Want to…

Q: A certain flight arrives on time 89 percent of the time. Suppose 121 flights are randomly selected.…

A: Note:Hi there! Thank you for posting the questions. As there are multiple sub parts, according to…

Q: Is the following random variable discrete or continuous? Let X be the amount of time between…

A: The objective of the question is to determine whether the random variable X, which represents the…

Q: 14. Claim: 7.5; α = 0.05; Sample statistics: s = σ a 8.8; n = 51.

A: Let  be the population standard deviation.Given that,Population standard deviation Sample standard…

Q: The following table shows rooms offered by Hotel ABC. Twin Single Twin Executive Superior With 10 8…

A: P(Twin with Bathtub)=0.105 The probability that a customer books a Twin room with a bathtub is 192​…

Q: A laptop company claims up to 9.1 hours of wireless web usage for its newest laptop battery life.…

A: a) 0.1788b) 0.1788c) 9.332 hoursExplanation:Question a.Step 1: List the given values. We are told…

Q: A researcher claims that a post-lunch nap decreases the amount of time it takes males to sprint 20…

A: The question is about hypothesis testing.Given :No. of males selected ( n ) = 10 MaleSprint time…

Q: What is the average household income in the United States and how does it vary by demographic…

A: Define Average Household Income:Average household income refers to the total income earned by all…

Q: A manufacturer knows that their items have a normally distributed length, with a mean of 17 inches,…

A: The objective of this question is to find the probability that a randomly chosen item from a…

Q: 0.20 0.30 Гл 0.10 00'0 0 Leverage values @ 50 50 8888 о T ලෙසි 100 150 200

A: Given the leverage values plot.want to describe what it means and R code to plot it.

Q: The octane number, Y, of refined petroleum is related to the temperature, x, of the refining…

A: The linear regression equation is given as with Want to test The sample size is given as n=11to…

Q: A manufacturer knows that their items have a lengths that are approximately normally distributed,…

A: The provided information is as follows:A manufacturer knows that their items have lengths that are…

Q: The length of rose stems follows a normal distribution with a mean length of 17.37 inches and a…

A: a)The probability that the length of a rose stem is less than 14.9 inches is equal to 0.2261.b) The…

Q: 117. The coefficient of correlation when coefficients of regression and 1.8 is (a) 0.36 (b) 0.2 (c)…

A:

Q: An experiment is run.It succeeds thrice as often as it fails.Find the probability of exactly 4…

A:

Q: The U.S. Center for Disease Control reports that the mean life expectancy was 47.6 years for whites…

A: a.) The Hypotheses The hypotheses are: H0​:μW​=μNW​H1​:μW​=μNW​ b.) The Test Statistic The…

Q: Use linear regression to find the equation for the linear function that best fits this data. Round…

A: From the provided information,The data values are as follow: xy19521183139415751916205

Q: 不 A simple random sample of size n=67 is obtained from a population that is skewed left with u 41…

A: Here the given information is : A simple random sample of size n=67 , is obtained from a population…

Q: Analysing passenger car sales by brands in Australia Tupps Motors which was established in year…

A: Part C:(a) Market Share of the Top 10 Brands of Passenger Vehicles in 2018:To visualize the market…

Q: Tensile strength tests were carried out on two different grades of wire rod resulting in the…

A: 95% confidence interval for difference between true average strengths for the two grades: (-16.741,…

Q: Let T ∼ Γ (r, λ). If μT = 8 and r = 8.00, find λ and σ2T . (Round the final answer to one decimal…

A: T~Γ(r,λ)If μT = 8 and r = 8.00Formula Mean=rλVariance=rλ2