High-rent district: The mean monthly rent for a one-bedroom apartment without a doorman in Manhattan is $2584. Assume the standard deviation is $491. A real estate firm samples 91 apartments. Excel. Part: 0 / 5 Part 1 of 5 (a) What is the probability that the sample mean rent is greater th $2654? Round the answer to at least four decimal places. The probability that the sample mean rent is greater than $2654 is X 3

Q: Bottled Drinking Water Americans drank an average of 23.2 gallons of bottled water per capita in…

A:

Q: According to Money magazine, Maryland had the highest median annual household income of any state in…

A:

Q: Exhibit 8-12 In order to estimate the average time spent on an exam at a local university, data were…

A: Margin of error explain the error in the data set. It determine by the combined value of standard…

Q: 2. During my office hours (from 12pm to 6pm), an average of about 2 student per hour comes in for…

A: During my office hours (from 12 pm to 6 pm), an average of about 2 students per hour come in for…

Q: Human body temperatures are normally distributed with a mean of 98.2 degrees and a standard…

A: Solution

Q: The lengths of lumber a machine cuts are normally distributed with a mean of 100 inches and a…

A: GivenMean(μ)=100standard deviation(σ)=0.5

Q: The mean number of words per minute (WPM) read by sixth graders is 98 with a standard deviation of…

A:

Q: Truck delivery fleet travel a mean of 110 miles per day with a standard deviation of 25 miles per…

A: Obtain the Z-score for the random variable X equals 97. The Z-score for the random variable X equals…

Q: A food processing plant fills snack-sized bags of crackers. The mean number of crackers in each bag…

A: We have given that  Mean = 22 Standard deviation = 2 Sample size = 24

Q: Assume that adults have IQ scores that are normally distributed with a mean of μ = 105 and a…

A: Here given situation is of normal distribution, which is continuous distribution. Let X : IQ of…

Q: The combined SAT scores for the students at a local high school are normally distributed with a mean…

A: Given: Mean=1487 standard deviation=307

Q: Question-1) The serum cholesterol levels of a certain population of boys have a mean of 170 mg/dl…

A: Mean()=170standard deviation()=30

Q: Refer to the accompanying table, which describes the number of adults in groups of five who reported…

A: The mean number of sleepwalkers in groups of five is obtained below as follows: From the…

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: Cody took his first physics exam and scored an 80. The population mean for this exam is 70, and the…

A: Solution: It is given that, Population mean, 70 Standard deviation, 5 Given that Cody took his first…

Q: The lengths of pregnancies are normally distributed with a mean of 269 days and a standard deviation…

A: Given: μ=269 and σ=15. a)PX≥308=PX-μσ≥308-μσ=PZ≥308-26915=PZ≥2.6=1-PZ<2.6=1-0.9953=0.0047…

Q: 90% of all children spend at least how many hours per day unsupervised? hours.

A: We have given that.   X~N( μ , ?^2 )   μ=2.9 , ? =1.3   Z-score =( x - μ )/?

Q: In India, four-year-olds average three hours a day unsupervised. Most of the unsupervised children…

A: The Z-score of a random variable X is defined as follows: Z = (X – µ)/σ. Here, µ and σ are the mean…

Q: Trucks in a delivery fleet travel a mean of 130 miles per day with a standard deviation of 39 miles…

A: The data on per day mileage of a delivery truck is normally distributed. Population mean, Population…

Q: The weights of steers in a herd are distributed normally. The standard deviation is 200lbs. and the…

A: Let "X" be the weight of steers in a herd.

Q: Subject: IQ Scores  I asked 6 students their IQ scores and found that the mean score to be 100 and…

A:

Q: Find Ztest Round your answer to the nearest hundredth A

A: n=100, x¯=703μ=720,σ=92

Q: The operation manager at a tire manufacturing company believes that the mean mileage of a tire is…

A: The question is about central limit theorem Given : Popl. mean mileage of a tire ( μ ) = 40097 miles…

Q: The amount of annual snowfall in a certain mountain range is normally distributed with a mean of 75…

A:

Q: The average time for a student to complete this quiz is 24 minutes with a standard deviation of 2…

A: We have given that,  The students quiz are normally distributed with mean(mu) = 24 and standard…

Q: Police Academy Acceptance Exams In order to qualify for a police academy, applicants are given a…

A: Here it is given that the physical fitness scores are normally distributed with mean=56 and SD=8. We…

Q: The amount of annual snowfall in a certain mountain range is normally distributed with a mean of 70…

A: let x be the amount of annual snowfall in certain mountain range follow normal distribution with…

Q: The FICO credit score is used by banks and other lenders to determine whether someone is a good…

A: Sample size(n)=100Sample mean()=703Population standard deviation()=92and

Q: Trucks in a delivery fleet travel a mean of 100 miles per day with a standard deviation of 19 miles…

A: Given that, μ=100σ=19 Let X denote the mileage per day and it follows normal distribution. That is,…

Q: Nielsen Company the mean number of TV sets in a US Household in 2013 was 2.24. Standard deviation is…

A: The provided information are: Population mean μ=2.24 Population standard deviation σ=1.4 Sample size…

Q: Salaries for teachers in a particular elementary school district are normally distributed with a…

A: The provided information is as follows:Salaries for teachers of elementary school districts are…

Q: Refer to the accompanying table, which describes the number of adults in groups of five who reported…

A: There are 6 observations in the given table. The table represents probability distribution. We have…

Q: The standard deviation is also called the give-or-take value. True

A: we have to state that the given statement is true or false.  statement : The standard deviation is…

Q: Scores on a math test are normally distributed with a mean of 76 and a standard deviation of 6. Part…

A: Let, X=the scores on a math test Given that X follows a normal distribution with mean=76 and…

Q: Assume that adults have IQ scores that are normally distributed with a mean of u = 100 and a…

A: Policy: Since you have asked multiple questions, we will solve the first question for you. If you…

Q: Temperatures a city are distributed approximately normal, with a mean of 61 degrees fahrenheit and a…

A: Given data,Mean μ=61sd    σ=6P(X<70.5)=?

Q: Full-time Ph.D. students receive an average of $12,837 per year. If the average salaries are…

A: Given that ; μ = $ 12837 ? = $ 1500 X = $ 17000 To find P( x < 17000) =  ? ?  P( x > 17000) =…

Q: GlenBluss Community College has a population mean GPA is 2.82 with population standard deviation of…

A: Let X be the GPA of college students. Let us assume that X is normally distributed with mean 2.82…

Q: How do I do this problem?

A: Solution: Let X be the IQ score. From the given information, X follows normal distribution with mean…

Q: Solve the problem. Assume that mountain lions' weights are normally distributed with a mean of 62.6…

A: We have given that,  X be the random variable from normal distribution with mean (μ) = 62.6 ,…