According to the June 2004 Readers' Digest article "Only in America," the average amount that a 17-year-old spends on his or her high school prom is $650 Assume that the amounts spent are normally distributed with a standard deviation of $178.        Find the probability that the mean cost to attend a high school prom for 22 randomly selected high school 17-year-olds is greater than $751.

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: On the Bar Chart in Figure C1 above, which of the datasets (left, middle or right) has the highest…

A: Bar chart is given here. Error bars gives the information about how the data is spread around the…

Q: Business Weekly conducted a survey of graduates from 30 top MBA programs. On the basis of the…

A: From the provided information, Mean (µ) = 176000 Standard deviation (σ) = 31000 X~N (176000, 31000)…

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: What

A: Explanation and solutions is given below....

Q: Almost all medical schools require applicants to take the Medical College Admission Test (MCAT).…

A:

Q: The National Health and Nutrition Examination Survey (NHANES) reported that in a recent year, the…

A:

Q: The CPA Practice Advisor reports that the mean preparation fee for federal income tax returns was…

A: Given Mean=273 Standard deviation=100

Q: 5. According to the Boston Globe in 2012, a typical college student graduated with $27,200 of debt.…

A: The mean is $27,200 and the standard deviation is $25,000.

Q: A research firm conducted a survey to determine the average amount of money consistent smokers spend…

A: We have given that,  Let X be a random variable from normal distribution with mean(μ) = 20 and…

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: Michelle, a telemarketer makes six phone calls per hour and is able to make a sale on 30% of these…

A: The random variable X is making sales. The number of cars per hour is 6. The probability of making a…

Q: Georgia residents spent an average of $470 on the lottery in 2010, or 1% of their personal income…

A: Given: Population mean amount spentx¯=$470 Population standard deviation σ=$50 Sample size of…

Q: According to a recent survey, the salaries of assistant professors have a mean of $41,750 and a…

A: Given Data Population Mean,μ = 41750 Population Standard Deviation,σ = 7000

Q: 44%  of students in a class have black hair. If 66 students are chosen at random, what is the…

A:

Q: places. ple of 50 male graduates will provide a sample mean within $1.00 of the population mean,…

A:

Q: According to a recent survey, the salaries of assistant professors have a mean of $41,750 and a…

A: Given information Mean µ = 41750 Standard deviation σ = 7500 proportion of assistant professors who…

Q: Suppose that the distance of fly balls hit to the outfield (in baseball) is normally distributed…

A: Mean = 243 feet SD = 54 feet Find the value of z to get answers.

Q: The owner of a computer repair shop has determined that their daily revenue has mean $7200 and…

A: We have given that  Mean(µ) = 7200Standard deviations (σ) = 1200 Number of days (n) = 30

Q: According to The World Bank, only 9% of the population of Uganda had access to electricity as of…

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: Assume that the weight of people, measured in pounds, has a normal distribution with a mean of 136…

A: Answer: Given that   ‘x’ is Normally distributed with                 Mean  µ =136       standard…

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: 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: According to a recent survey, the salaries of assistant professors have a mean of $41,750 and a…

A:

Q: Suppose that the distance of fly balls hit to the outfield (in baseball) is normally distributed…

A: Consider X be a random variable which follows normal distribution indicates the distance of fly…

Q: Suppose that the distance of fly balls hit to the outfield (in baseball) is normally distributed…

A:

Q: The Real Estate Group NY reports that the mean monthly rent for a one-bedroom apartment without a…

A: Given : Mean (μ) = 2635      (in $)Standard deviation = 499      (in $)Sample size (n) = 98

Q: Assume the average price for a movie is ​$7.35. Assume the population standard deviation is ​$0.44…

A:

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: The census bureau reported that the mean household income in Hayward in 2019 was $86,744 with a…

A: Given that, n=150,x¯=89396μ=86744σ=18700 The mean and standard deviation of the sampling…

Q: According to a recent survey, the salaries of assistant professors have a mean of  $40,756  and a…

A:

Q: César Chávez Day is observed in the United States on March 31 each year. It celebrates the birthday…

A:

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

A:

Q: According to the Centers of Disease Control and Prevention (CDC), the aging of the U.S. population…

A: GivenAn average person makes four visits a year to doctor's offices and hospitalsλ=412        i.e.,…

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.