A man height and weight  are nomally distributed with mean u= 70 inches and standard deviation a = 2.5 inches. What is the probability that a randomly select will have a height between 67 and 71 inches?

Q: A manufacturer knows that their items have a normally distributed length, with a mean of 13.5…

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Q: In a large population of college-educated adults, the mean IQ is 112 with standard deviation 25.…

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Q: In a survey of a group of​ men, the heights in the​ 20-29 age group were normally​ distributed, with…

A: Given data,μ=69.7σ=3P(68<X<70)=?

Q: The monthly utility bills in a city are normally​ distributed, with a mean of ​$100 and a standard…

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Q: A lawyer commutes daily from his suburban home to his midtown office. The average time for a one-way…

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

A: Given that, mean, mu= 57 Standard deviation, sigma= 3.5 We know that, Z score=(X-mu)/sigma Here…

Q: A recent study of the hourly wages of crew members for major airlines showed that the mean hourly…

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Q: Salaries at a large corporation are normally distributed with a mean of $45,000 and a standard…

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

Q: An engine horsepower is normally distributed with an average of 350 horsepower and a standard…

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Q: A set of final examination grades in an introductory statistics course is normally​ distributed,…

A: Let "X" be the final examination grades in an introductory statistics course. Find z-value: Note…

Q: he height of the candidate for Police Officer at JayBie Town is normally distributed with a ean 165…

A: Let X be the random variable from normal distribution with mean (μ) = 165 cm and standard deviation…

Q: The amounts of time per workout an athlete uses a stairclimber are normally​ distributed, with a…

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Q: The average monthly number of jobs available in Area A is 3, 000. If we assume a normal distribution…

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

Q: The mean daily production of a herd of cows is assumed to be normally distributed with a an of 37…

A: 37 Obtain the standard z-score for the random variable equals 26.1 liters. The standard z-score for…

Q: The monthly utility bills in a city are normally​ distributed, with a mean of $100 and a standard…

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Q: Suppose speeds of vehicles on a particular stretch of roadway are normally distributed with mean…

A: Given :Let, X bet the speed of vehicle. Here, X~Nμ=36.6,σ2=(1.7)2and let,Z=x-μσ~N(0,1)

Q: Thwhe average arm height of jaguars is 16 inches, with a standard deviation of 2 inches. out of a…

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Q: the breaking of a particular rope is normally distributed, with the mean of 350 lbs. and a standard…

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Q: The monthly utility bills in a city are normally distributed, with a mean of $100 and a standard…

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Q: Suppose math scores on the SAT are normally distributed with a mean of 500 and a standard deviation…

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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: A set of final examination grades in an introductory statistics course is normally​ distributed,…

A: Given that, A set of final examination grades in an introductory statistics course is normally​…

Q: The monthly utility bills in a city are normally​ distributed, with a mean of ​$100 and a standard…

A:

Q: The monthly utility bills in a city are normally distributed, with a mean of $100 and a standard…

A: Given Data Population Mean,μ = 100.0 Population Standard Deviation,σ = 12.0

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: The monthly utility bills in a city are normally​ distributed, with a mean of ​$100 and a standard…

A:

Q: For a normal random variable with mean 650 and standard deviation 40, find the probability that its…

A: Given information- Population mean, μ = 650 Population standard deviation, σ = 40 Let X be the…

Q: A Survey among Seniors revealed that the number of hours spent Studying the week before final exams…

A: Given Mean=25 Standard deviations=7

Q: 1. The average salary of a sales lady in malls in Cebu is P530/day. Assume a normal distribution…

A: Given,mean(μ)=530standard deviation(σ)=92

Q: Suppose the average weekly rental for a compact car from Avis is $320 with a standard deviation of…

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Q: The population of lengths of aluminum-coated steel sheets is normally distributed with a mean of…

A: Let X be the length of the aluminum coated sheets. X ~ N(μ, σ) Given,  Mean, μ = 30.05 inches…

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: The expected (mean) life of a particular type of light bulb is 1,000 hours with a standard deviation…

A: Given that, Mean = 1000 Standard deviation = 50

Q: A population of Gala apples has a mean m=0.40 lbs and a standard deviation s=0.16 lbs. For a sample…

A: Solution: Let X be the variable. From the given information, m=0.40, s=0.16 and n=20.

Q: In a survey of a group of​ men, the heights in the​ 20-29 age group were normally​ distributed, with…

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Q: In a t distribution with 10 degrees of freedom, what is the probability of getting a value within…

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

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Q: The amounts of time per workout an athlete uses a stairclimber are normally​ distributed, with a…

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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: The amounts of time per workout an athlete uses a stairclimber are normally distributed, with a mean…

A:

Q: The number of tickets purchased by an individual for Beckham College's holiday music festival is a…

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Q: Based on data from the National Health Board, weights of men are normally distributed with a mean of…

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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: it was determined that the survival time, in weeks, of an animal subjected to a certain exposure of…

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Q: For a normally distributed random variable with mean 44 and standard deviation 16, find the…

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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: The diameter of a brand of tennis balls is approximately normally distributed with a mean of 2.5…

A: Given that, Mean = 2.5 Standard deviation = 0.5 Sample size = 50

Q: A local fast food restaurant advertises an average service time of u = 3 minutes with a standard…

A: Given Data : Population Mean,μ = 3 Population Standard Deviation,σ = 0.39

Q: The ages of patients in a hospital were normally distributed with a mean of sixty-three years and a…

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Q: The heights of 18 year old men are normally distributed with a mean of 67 inches and a standard…

A: Given distribution is normally distributed with mean 67 and standard deviation 3 x~N(μ=67, σ=3)

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.