The annual income for a sample of 450 part-time students is normally distributed with a mean income of $31,000 and a standard deviation of $3,000.

Q: The annual salaries for people in a particular profession are known to be normally distributed with…

A: Given that the annual salaries for people in a particular profession are known to be normally…

Q: Temperatures in a city are distributed approximately normal, with a mean of 73 degrees fahrenheit…

A:

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

A: Determine the Z score for the random variable X equals 45,000. The Z score for the random variable…

Q: Harrisburg International Airport records daily weather data. Upon analyzing the average high…

A: GivenMean(μ)=41.1standard deviation(σ)=5.0

Q: The owner of a computer repair shop has determined that their daily revenue has mean $7000 and…

A:

Q: The salary for workers at a company are normally distributed with a mean of $60,000 and a standard…

A: # Given: salary of workers follow normal distribution with mean mu=$60000 and standard deviations…

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

A: To get the proportion of professor who earn more than $48,000 we proceed as follows…

Q: The average height of a certain age group of people is 53 inches. The standard deviation is 4…

A: Let X be the random variable from normal distribution with mean or average (μ) = 53 and standard…

Q: The mean income of a group of sample observations is $500; the standard deviation is $40. According…

A:

Q: You are told that the mean income for graduating seniors is $58,500 with a standard deviation of…

A: Given μ=58500σ=4100 Majority of graduating seniors earn income between a and b is,…

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: alespeople for a solar technology company have average annual sales of $200,000, with a standard…

A: Statistics is a branch of mathematics that gives us the tools to deal with large quantities of data…

Q: Salespeople for a solar technology company have average annual sales of $400,000, with a standard…

A:

Q: The amount of annual property taxes paid per household in a metropolitan area is known to follow a…

A: Given data, μ=15500σ=6000If n=25P(X>16700)=?

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: A study has shown that 15% of all college textbooks have a price of $178.52 or higher.  It is known…

A: From the provided information Standard deviation (σ) = $32.55 Let X be a random variable which…

Q: The amount of revenue of a shop is approximately normally distributed with a mean of $4500 and a…

A: We have to find out given probability..

Q: The mean of a normal probability distribution is 600; the standard deviation is 20. About 68% of…

A: given data normal distribution population mean  = 600 population sd = 20

Q: om's commuting time from his residence in Carmel to the IUPUI campus has a normal distribution.  The…

A: Given that  The residence in Carmel to the IUPUI campus has a normal distribution.  Standard…

Q: The average number of pounds of red meat a person consumes each year is 196 with a standard…

A: We are given,μ = 196σ = 22n = 60

Q: Michael Jordan averaged 30 points per game in his career with standard deviation of 2 points per…

A:

Q: A pet store has 500 rats whose weights have a mean of 16oz with a standard deviation of 1.1 oz. You…

A: Given Data Population Mean,μ = 16.0 Population Standard Deviation,σ = 1.1 sample…

Q: The annual income for a sample of 450 part-time students is normally distributed with a mean income…

A: Given that.   X~N( μ , ?)   μ=31000 , ?=3000   Z-score =( x - μ )/?

Q: The average amount of snow per year in Whiteville is 32 inches. The standard deviation is 4 inches.…

A:

Q: According to the Nielsen Company, the mean number of TV sets in a U.S. household in 2013 was 2.24…

A: Mean = 2.24 Standard deviation = 1.3 Sample size = 95

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

A:

Q: A college entrance exam scores are approximately normally distributed with a mean value of 145 and a…

A: Solution: Let X be the college entrance exam score. From the given information, X follows normal…

Q: A data set of employee salaries has an average of $60,000 with a standard deviation of $5,000. You…

A: μ =$ 60000σ=$ 5000x =$ 40000is your salary unusual ?

Q: Suppose the probability a patient will recover from a disease following medication is 0.7. In a…

A: Given : the probability a patient will recover from a disease following medication is 0.7.  In a…

Q: A study by the National Center for Health Statistics suggested that women between the ages 20 and 29…

A: The objective of this question is to find the proportion of women between the ages of 20 and 29 in…

Q: According to a Sallie Mae survey and credit bureau data, in 2008, college students carried an…

A:

Q: Find the indicated probability. The weekly incomes of a summer intern in Tesla are normally…

A: Given data,Mean μ=1500sd    σ=300P(X<1200)=?

Q: The amount that people pay for their cellphone service is normally distributed with a mean of $136…

A:

Q: The average salary of recent graduates with bachelor’s degrees in chemical engineering is $53,600…

A: Population mean (μ): $53,600Population standard deviation (σ): $3,200Sample size (n): 30Sample mean…

Q: The salary for workers at a company are normally distributed with a mean of $60,000 and a standard…

A: Given  Mean = 60000 Standard deviation = 9000 Sample size = 36 Z score formula = (x -mu)/s/√n

Q: Data from the Bureau of Labor Statistics’ Consumer Expenditure Survey show that annual expenditures…

A: Given information- For the year 2001- Population mean, µ = $235 Population standard deviation, σ =…