Given a mean price of a residential real estate sales of KD 527,000 and a standard deviation of KD 3,270, what is the probability of having a sale above KD 550,000? Having a sale below KD 522,500?

Q: A newsvendor wants to achieve a 0.975 in-stock probability. Demand is normallydistributed with a…

A: Introduction: A continuous probability distribution that is symmetrical on both sides of the mean is…

Q: At a large government office center in Chicago, it has been found out that the time employees spend…

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Q: Given that x is distributed normally with mean 74 and standard deviation 10, what is P(72 < x < 82)…

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Q: For a normally distributed population with a mean of 35 and a standard deviation of 7.5, if a sample…

A: From the given information,   Mean  = 35 Standard deviation = 7.5   The objective is to find the…

Q: Assume the returns of a stock follow a normal distribution with a mean return of 18% and a standard…

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Q: Traveling between two campuses of a university in a city via shuttle bus takes, on average, 31…

A: P(X&gt;30)=1-Pz&lt;30-311045=1-P(z&lt;-0.67)=1-0.2514=0.7486

Q: A study shows that the cost of new textbook is approximately normally distributed with a mean P142…

A: Note: Hi there! Thank you for posting the question. As there are multiple sub parts, according to…

Q: Traveling between two campuses of a university in a city via shuttle bus takes, on average, 31…

A: The given data are: Mean, μ=31 minutes Standard deviation, σ=5 minutes n=40 For sample average, z is…

Q: If X is a normally distributed random variable with a mean of 80 and a standard deviation of 12,…

A: Given that.   X~N( μ , ?^2 )   μ=80     , ?=12   Z-score =( x - μ )/?

Q: In a study of work patterns in one population, the mean weekly family time devoted to child care is…

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Q: A study indicates that​ 18- to​ 24- year olds spend a mean of 120 minutes watching video on their…

A: “Since you have posted a question with multiple sub-parts, we will solve the first three sub-parts…

Q: A random sample of 8 adults aged 30 years were asked how much they spent on medical costs in the…

A: Step-by-step procedure to obtain descriptive statistics using EXCEL Add-Ins: Go to Data&gt;Data…

Q: If the mean height of a population of university students is 166cm (μ=166) and the standard…

A: Consider,X be the height of students which follows normal distribution with mean of 166 cm and…

Q: Traveling between two campuses of a university in a city via shuttle bus takes, on average, 28…

A: P(X&lt;30)=Pz&lt;30-28540=P(z&lt;2.53)=0.9943

Q: Assume that the heights of adult puffins are normally distributed, with a mean of μ=μ= 15.9 inches…

A: Obtain the probability of obtaining a sample mean height less than 14.8 inches. The probability of…

Q: Suppose that the lifetimes of light bulbs are approximately normally distributed, with a mean of 56…

A: Since you have posted multiple question, we only provide answers of first three subparts . Please…

Q: For a normal distribution curve with a mean of 15 and a standard deviation of 5, which range of the…

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Q: The Cpa practice advisor reports that the mean preparation fee for 2017 federal income tax returns…

A: From the provided information, Mean (µ) = $273 Standard deviation (σ) = $100 X~N (273, 100) Here X…

Q: Rivers Casino did an audit of all of their blackjack tables and found that the amount of money…

A: According to the provided information, μ=$6000σ=$200

Q: The average hourly sale of a certain ride in an amusement park is P148.75/hr with a standard…

A: Given information- Population Mean µ = P148.75/hr Standard deviation (σ) = P75.76 Let X be the…

Q: Suppose that the lifetimes of light bulbs are approximately normally distributed, with a mean of 56…

A: Given: X~Normalμ=56,σ2=3.32

Q: Suppose a survey finds that the mean monthly rent of a two-bedroom apartment in seattle is $560,…

A: Given Information:Mean, μ=$560Standard Deviation, σ=$35

Q: A study indicates that 18- to 24- year olds spend a mean of 120 minutes watching video on their…

A: Given that, Mean = 120 Standard deviation = 20

Q: For a normally distributed population with a mean of 35 and a standard deviation of 7.5, if a sample…

A: Given,mean(μ)=35standard deviation(σ)=7.5sample size(n)=50

Q: Suppose that the lifetimes of light bulbs are approximately normally distributed, with a mean of 57…

A: Given X is normal Distributed with mean µ = 57.0 and standard deviation σ = 3.5 now will using…

Q: Given the amount of annual snowfall in Big Bear City is normally distributed with μ=62 inches, and a…

A: Here the amount of annual snowfall is normally distributed with mean=62 and standard deviation=10. A…

Q: 1.) The average repair cost of a microwave oven is $55, with a standard deviation of $8. The costs…

A: 1) Given that the mean is $55 and the standard deviation is $8. The costs are normally distributed.…

Q: A normal distribution has a mean of u=54 and a standard deviation of o=6, what is the probability of…

A: Let "X" be the raw score.

Q: A study indicates that 18- to 24- year olds spend a mean of 120 minutes watching video on their…

A: Assume that the amount of time watching video on a smartphone per month is normally distributed and…

Q: In a biomedical research study, it was determined that the survival time, in weeks, of an animal…

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Q: The heights of 18 year-old men are approximately normally distributed, with a mean 68 inches and a…

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

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Q: Suppose annual salaries for sales associates from Hayley's Heirlooms have a bell-shaped distribution…

A: It is given that the annual salaries are distributed bell shaped (approximately normal) with mean of…

Q: MCAT scores are normally distributed with a mean of ? ​​= 501.5 and a standard deviation of ? =…

A: Given: Population mean μ = 501.5 Population standard deviation σ = 10.7 Formula Used: Z-score = X-μσ

Q: What are the Excel mean and standard deviation of the GPA data?     Which process is appropriate?…

A: mean (x)    = Σf*x/n = 81/30 = 2.7 standard deviation s= √[n*Σf*x^2 -(Σf.x)^2 ] /n*(n-1)…

Q: The number of plants pollinated by bees follows a normal distribution with a mean of 6,543 plants…

A: Given information Mean µ = 6543 plants Standard Deviation σ = 35 plants

Q: A manufacturing company measures the weight of boxes before shipping them to the customers. If the…

A: Given, µ=90 σ=24 n=36

Q: Suppose that the lifetimes of light bulbs are approximately normally​ distributed, with a mean of…

A: From the provided information, Mean (µ) = 57 Standard deviation (σ) = 3.5 Let X be a random variable…

Q: Suppose the heights of 18 year old men are approximately normally distributed, with mean 71 inches…

A: The normal distribution is the most useful theoretical distribution for continuous variables. For…

Q: Suppose that the lifetimes of light bulbs are approximately normally distributed, with a mean of 57…

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Q: A study indicates that 18- to 24- year olds spend a mean of 115 minutes watching video on their…

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Q: A random sample of 12 students showed the following time (in hours) of sleep 4.5 5 5.5 6 6 7 7.5 7.5…

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Q: In a murder trial in Los Angeles, a shoe expert stated that the heights of men with size 12 shoes is…

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: Suppose that the lifetimes of light bulbs are approximately normally​ distributed, with a mean of 57…

A: Note- Since you have posted a question with multiple sub-parts, we will solve the first three…

Q: In examining the invoices issued by a company, an auditor finds that the dollar amounts of invoices…

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Q: The number of cars crossing the Pigeon River border crossing each day is known to be normally…

A: GivenMean(μ)=2500standard deviation(σ)=600

Q: It is known that the distribution of the Wechsler Adult Intelligence test is normal, the mean is µ =…

A: It is given that the mean is 130, the standard deviation is 15 and the sample size is 9.

Q: For a normally distributed population with a mean of 35 and a standard deviation of 7.5, if a sample…

A: Given dataMean = 35Standard deviation = 7.5Sample size (n) = 40probability that the sample mean will…

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.