The selling price of new homes in a city over a year was normally distributed with a mean of $115,000 and a standard deviation of $25,000. A random sample of 100 new home sales from this city was taken. Describe the sampling distribution of the sample mean (indicate center, spread, shape). O mean = $115,000, standard deviation = $2,500, and shape approximately normal by the Central Limit Theorem unknown O mean = $115,000, standard deviation = $6,250, and shape O mean = $115,000, standard deviation = $6,250, and shape = exactly normal mean = $115,000, standard deviation = $25,000, and shape = exactly normal O mean $115,000, standard deviation = $2,500, and shape = exactly normal

Q: The length of human pregnancies from conception to birth varies according to a distribution that is…

A: Given that  Mean =266 Population standard deviation =16 Sample size n=6

Q: Find the mean and standard error of the mean of the sampling distribution. Then sketch a graph of…

A: Sample size(n)=25mean()=$232Standard deviation()=$63

Q: A succesful basketball player has a height of 6 feet 4 inches or 193 cm based on statisc from data…

A:

Q: Assume that the number of pieces per bag has a mean of 72 with a standard deviation of 1.use the…

A: We have to find given probability by using emperical rule...

Q: The weights of men in their 30s are normally distributed with a mean of 190 pounds and a standard…

A: From the provided information, Population mean (µ) = 190 pounds Population standard deviation (σ) =…

Q: The weight of a type of dog follows Normal distribution with mean of 10 pounds and standard…

A: It is given that the mean and standard deviation are 10 and 2.

Q: A normally distributed data set has a mean of 0 and a standard deviation of 2. What is the percent…

A: Introduction: The fashionable regular distribution, additionally called the z-distribution, is a…

Q: Find the mean and standard error of the mean of the sampling distribution. Then sketch a graph of…

A: here original population is normally distributed. therefore sampling distribution of sample mean…

Q: Approximately what percentage of normally distributed data values will fall within 2 standard…

A: It is known that, normal curve is a symmetric and bell shaped distribution.

Q: A normal distribution has a mean of 175 and a standard deviation of 38. What percent of observations…

A: Given that A Normal distribution has Mean (μ) = 175 Standard deviation (σ) = 38   We know that Z =…

Q: Suppose that IQ scores have a bell shaped distribution with a mean of 101 and a standard deviation…

A: The IQ scores have a bell shaped distribution with a mean of 101 and a standard deviation of 17.

Q: 1. Exercise: Medical researchers conducted a study to determine whether treadmill exercise could…

A: From the provided information,

Q: unit. The production cost is given by a discrete distribution that 60% the cost is about $20 per…

A:

Q: Use Chebyshev's Theorem to find what percent of the values will fall between 120 and 150 for a data…

A: The percentage of observations that are within k std dev. of the mean is 100(1-1k2)%

Q: A normal distribution has a mean of 80 with a standard deviation of 20 what score separates the…

A: Let x be the score which follows normal distribution with mean 80 and standard deviation 20. The…

Q: living spaces of all homes in a city have a mean of 2050 square feet and a standard deviation of 300…

A: The mean and standard deviation are 20506 and 300, respectively.

Q: The weights of students in a large statistics class vary according to a normal distribution with…

A:

Q: What proportion of people has diastolic blood pressure less than 80?

A:

Q: The scores on a standardized test are normally distributed with a mean of 90 and standard deviation…

A: The test score is 0.6 standard deviations above the mean is obtained below: From the given…

Q: Glucose levels in patie tz free of diabetes are assumed to follow a normal distribution with a mean…

A: Here, mean is 120 and standard deviation is 16.

Q: Give the mean and the standard deviation of the distribution of means for mean=100; Variance=100;…

A:

Q: Heights in a supopulation of 100 people are normally distributed with a mean of 180 centimeters and…

A: # Height of people follow normal distribution with mean=180 cm and standard deviations=10 cm  Then…

Q: The length of human pregnancies from conception to birth vari ccording to a distribution that is…

A: Given that  Population mean =266 Population standard deviation =16 Sample size n =6

Q: The scores of a standarlized test form a normal distribution with a mean of 300 and standard…

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: When a distribution is bell-shaped, approximately what percentage of data values fall within 1…

A: We know that, the empirical rule which is also known as 68-95-99.7 rule.  The Empirical Rule finds…

Q: The amount of time people spend at the gym follows a uniform distribution from 45 to 90 minutes.…

A:

Q: Assume that an intelligence test scores are distributed normallt with a mean of 100 and a standard…

A: Standard normal distribution: The standard normal distribution is a special case of normal…

Q: What is standard error? It is the average of a distribution of individual raw scores. It is the…

A: Here we want to know What is standard error.

Q: Home prices in a city have mean = $194,000 and standard deviation = $20,000. For n = 25 randomly…

A: population mean ()=194000standard deviation()=20000sample size(n)=25Mean()=198000

Q: The annual per capita consumption of oranges (in pounds) in the United States  can be approximated…

A: It is given that the mean and standard deviation are 19.2 and 4, respectively.