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

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

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…

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A: The normal distribution shows the probability value using the standard score or raw score. It is…

Q: Suppose that the monthly charges for cell phone plans in the United States are normally distributed…

A: Let:Monthly charges for cellphone plans = xGiven that:Monthly charges for cellphone plans (x) in the…

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: The weekly salaries of teachers in one state are normally distributed with a mean of $980 and a…

A: Let, X=The weekly salaries of teachers in one state  Given that X is normally distributed with 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: Suppose your customers' incomes are normally distributed with a mean of $37,500 with a standard…

A:

Q: The weekly amount spent by an event management company for travel has approximately a normal…

A: From the provided information, Mean (µ) = $2500 Standard deviation (σ) = $400 Let X be a random…

Q: The population mean annual salary for an electrician is $46,700.A random sample of 42 electricians…

A:

Q: The Monthly salaries of teachers at Los Angeles Trade Tech are normally distributed with a mean of…

A: Given information: The monthly salaries of teachers at Los Angeles Trade Tech are normally…

Q: average salary for a large company is $85,000 with a

A: Population Mean, μ = $85,000Population Standard Deviation, σ = $20,000Sample size, n = 100x1 =…

Q: The final exam scores in a statistics class were normally distributed with a mean of 63 and a…

A:

Q: The spending at Target is distributed normally with a mean spending of $45.67 and a standard…

A: According to the provided information, mean = $45.67  standard deviation = $5.50

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: 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 amount of daily sales of a candy shop in weekdays is approximately normally distributed with a…

A: Let us denote: X=the amount of daily sales of a candy shop in weekdays Given that X follows a normal…

Q: The average starting salary of individuals with a master's degree in statistics is normally…

A:

Q: The starting salaries of individuals with an MBA degree are normally distributed with a mean of…

A: According to the given information in this question We need to find the probability that MBA degree…

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: Incomes for a certain profession are normally distributed with a mean of $64,745 and standard…

A:

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

A: Given, Salaries of the teacher follow normal distribution with mean $41,000 and standard deviation…

Q: A survey was given to people living in Broward County. The county randomly collected the income…

A: given data  μ = 100000 $σ = 10000 $P(90000<x<110000) = ?

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 spending at Target is distributed normally with a mean spending of $47.67 and a standard…

A:

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: In Canada, households with internet spent an average of $410 annually for access. This distribution…

A: Solution: Given information: n= 600 Sample size μ=$410 Population meanσ=$138 Population standard…

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 =…

Q: The weekly salaries of teachers in one state are normally distributed with a mean of $490 and a…

A: Given,Mean, μ = 490Standard deviation, σ = 45Let X be a random variable represents the weekly…

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: A report announced that the median sales price of new houses sold one year was $231,000​,and the…

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Q: bank’s loan officer rates applicants for credit. The ratings are normally distributed with a mean of…

A:

Q: The mean of a normal probability distribution is 600; the standard deviation is 20. About 95% of…

A: GivenMean(μ)=600standard deviation(σ)=20

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

A:

Q: On a mathematics test in a high school, scores are normally distributed with a mean of 77 and a…

A: Given that.   X~N( μ , ?^2 )   μ=77     , ?=16.8   Z-score =( x - μ )/?

Q: The mean selling price of new homes in a small town over a year was $115,000. The population…

A: The mean is 115,000 and the standard deviation is 25,000.