You may need to use the appropriate appendix table or technology to answer this question. A group conducted a survey of 13,000 brides and grooms married in the United States and found that the average cost of a wedding is $33,858. Assume that the cost of a wedding is normally distributed with a mean of $33,858 and a standard deviation of $5,800. (a) What is the probability that a wedding costs less than $27,000? (Round your answer to four decimal places.) (b) What is the probability that a wedding costs between $27,000 and $37,000? (Round your answer to four decimal places.)

Q: New York City is the most expensive city in the US for lodging. The mean hotel room rate is $204 per…

A: given datanormal distributionμ = 204σ = 55P(x>225) = ?

Q: The lengths of pregnancies are normally distributed with a mean of 268 days and a standard deviation…

A: (a)   Obtain the probability that pregnancy will last 307 days or longer. The probability that…

Q: You may need to use the appropriate appendix table or technology to answer this question. According…

A: We have:

Q: The cost of textbooks is normally distributed with a mean of $223. You do not know the population…

A:

Q: What is the mean time for athletes to be considered fully prepared? b. Calculate standard deviation…

A: Answer:- Given probability distribution table is,  Using formula,  Mean , E(X) = μ=∑xP(x).…

Q: Not everyone pays the same price for the same model of car. The mean is $22,000 and the standard…

A: Let us denote X= price of a carGiven that X follows a normal distribution with mean=22000 and…

Q: Most graduate schools of business require applicants for admission to take the GMAT exam. Suppose…

A: The random variable is score on the GMAT. It follows standard normal distribution. The population…

Q: you investigate the earnings of a financial advisor in a wealth management company. they earn on…

A: the PDF of normal distribution is = 1/σ * √2π * e ^ -(x-u)^2/ 2σ^2standard normal distribution is a…

Q: When parking a car in a downtown parking lot, drivers pay according to the number of hours or…

A: Standard deviations=σ=2.8532 k=3.25

Q: If the mean of a list of numbers is 16.7 and the standard deviation is 0,

A: Mean is a measure of central tendency. It is one of the most important measures to find out around…

Q: Three hundred college freshmen's grade point averages are seen to be nearly regularly distributed,…

A:

Q: top 19 percent are

A: Given that  High school students across the nation complete in a financial capability challenge each…

Q: The Survey of Study Habits and Attitudes (SSHA) is a psychological test that measures the…

A: PART A SOLUTION:Step 1: Determine What is AskedWe are given that the mean score for U.S. college…

Q: Psychological and educational tests, including MMPI are often designed so they have a mean of 50 and…

A: Given: Mean μ=50 Standard deviation σ=10

Q: The average sales price of a single-family house in the United States is $235,000. You randomly…

A: Given, Mean sales price of family in US is $2,35,000 Standard deviation is $50,000 I.e.,…

Q: A certain video game has 72% chance of sucess. During summer vacation a person plays 12 games a day.…

A: In question, Given that A certain video game has 72% chance of sucess. During summer vacation a…

Q: The Economic Policy Institute periodically issues reports on worker's wages. The institute reported…

A: "Since you have posted a question with multiple subparts we will provide solutions only to the first…

Q: The hourly cost to hire a handyman in a particular city is normally distributed with mean $40 and…

A: Solution: 19. Let X be the hourly cost to hire a handyman in a particular city. From the given…

Q: According to Chebyshev's theorem, what is the maximum proportion of data values from a data set that…

A: We know that the Chebychev's inequality states that the P(|X-μ|>kσ) < 1/k2 It can be seen as…

Q: In the question below, do 50 minutes imply the mean of the population or the mean of the sample?…

A: The derived numerical characteristic that explains the average (or mean) at the population level can…

Q: Please explain how to solve the following:   The Aluminum Association reports that the average…

A: we are suppose to answer three sub parts .

Q: The lengths of lumber a machine cuts are normally distributed with a mean of 88 inches and a…

A: Given,Mean μ = 88Standard deviation σ = 0.6

Q: 2. Fill in the blanks: A standardized variable always has a mean of O and a standard deviation of…

A: 2. A standardized variable is always has mean 0 and standard deviation of 1.

Q: Costs for standard veterinary services at a local animal hospital follow a Normal distribution with…

A: given data normal distributionμ = 89σ = 24P(53<x<125) =?

Q: 2. The nicotine content in a single cigarette of a particular brand has a mean of 0.8 mg and a…

A: From the given information ,0.8 mg 0.1 gmsample size, n = 100We have to find the probability that…

Q: What percentage of computer programmer major received a starting offer between $32000 and $38000?…

A: The following information has been provided: \mu = 39269, \text{ } \sigma = 2550Mean : μ=39269,…

Q: The average chef at a restaurant earns $17 an hour with a deviation of $1.75. What are the chances…

A:

Q: The probabilities that a person is receiving a chat message 0, 1, 2, 3, 4, or 5 per day are the…

A: Let X be the random variable having probability distribution is,  X 0 1 2 3 4 5 P(x)  0.08 0.19…

Q: The weights of ice cream cartons are normally distributed with a mean weight of 11 ounces and a…

A: Given : μ=11 ounceσ=0.6 ounceX~N(μ=11,σ2=0.62)Let, for sample of size n,x¯~Nμx¯=μ,σx¯2=σn2

Q: rice of a single-family house in the U.S. is $235,500. you randomly select 12 single family houses.…

A: the average sales price of a single-family house in the U.S. is $235,500. you randomly select 12…

Q: he cost of textbooks is normally distributed with a mean of $249. You do not know the population…

A: Given Information: The cost of textbooks is normally distributed with a mean of $249. Mean = 249…

Q: Costs for standard veterinary services at a local animal hospital follow a Normal distribution with…

A: Let X be a random variable of a veterinary services.      Given that            X~ N ( 72,(22)^2)

Q: A mechanic sells a l a brand d of automobile tire that has a life expectancy that is normally…

A: The given data is as follows:Population mean, Population standard deviation,

Q: A large corporation employs 21,995 individuals. The average income of all employees is $64,372, with…

A: The population mean is denoted by μμ. The population standard deviation is denoted by σσ. Sample…

Q: A particular fruit's weights are normally distributed, with a mean of 424 grams and a standard…

A: Given that, Mean = 424 Standard deviation = 26 Sample size = 12

Q: The Greenville Power Authority states that the mean monthly energy bill for their customers is $228…

A: Determine between what two values do we expect 99.7% of energy bill’s to fall. The two values of the…

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.