A study indicates that the weights of adults are normally distributed with mean of 72 kg and a standard deviation of 8 kg. What is the probability th a randomly selected adult weighs between 65 kg and 77 kg? D 0.3106 ) 0.0749

Q: While checking receipts at The Hog Cafe, it was determined that the average amount spent on food per…

A: Given that,  Let X be the random variable from normal distribution with average or mean (μ) = $21.50…

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 radar unit is used to measure speeds of cars on a motorway. The speeds are normally distributed…

A: Given data,Mean μ=88sd     σ=10P(X≥80.8)=?

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: A study suggests that the weights of newborn babies in USA are normally distributed with a mean of…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

Q: The price of a gallon of milk follows a normal distribution with a mean of $3.4 and a standard…

A: Probability: If a random experiment results in n mutually exclusive and equally likely outcomes; out…

Q: In 2000, the average height of a woman aged 20–74 years was 64 inches with an increase of…

A:

Q: ) The diameters of bolts produced by a certain machine are normally distribut a mean of 0.30 inches…

A: The provided information is  µ=0.30 σ=0.01 n=2…

Q: Q2/ The speed of a file transfer from a server on campus to a personal computer at a student's home…

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Q: The weekly salaries of 5,000 employees of a large corporation are assumed to be normally distributed…

A: Given that the weekly salaries of 5000 employees of a large corporation are assumed to be normally…

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

A:

Q: The weights of packages of ground beef are normally distributed with mean 1 pound and standard…

A: Introduction:Denote X as the weight (pound) of a randomly selected package of ground beef. Thus, X…

Q: A man height and weight  are nomally distributed with mean u= 70 inches and standard deviation a =…

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Q: Assume that the heights of men are normally distributed with a mean of 67.2 inches and a standard…

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Q: approximately

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Q: John drives to work each morning, and the trip takes an average of u = 38 minutes. The distribution…

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: Assume that adults have IQ scores that are normally distributed with a mean of u = 105 and a…

A: Given that, Mean =105 Standard deviation =15 X follows Normal distribution with mean 105 and…

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: Assume that the heights of men are normally distributed with a mean of 66.9 inches and a standard…

A: Let "M" be the mean height of the men.

Q: A study of Sandhill Cranes determines that the distance they travel a day is normally distributed…

A: According to the provided information, Mean (μ) = 267 Standard Deviation (σ) = 86

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: The number of pieces of dog food in a one-cup scoop is approximately Normally distributed with a…

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Q: The diameter of the dot produced by a printer is normally distributed with a mean diameter of 0.002…

A:

Q: Assume that the heights of women are normally distributed with a mean of 63.6 inches and a standard…

A: Normal distribution is a continuous distribution which has many real life applications. Normal curve…

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: The distribution of the amount of water used per wash cycle, in gallons, by a particular brand of…

A: Given information Mean (µ) = 4 Gallons Standard Deviation (σ) = 0.2 Gallon Probability that more…

Q: Suppose that family incomes ina town are normally distributed with a mean of $1,200 and a standard…

A: Mean = 1200 Standard deviation = 600

Q: Solve the problem. Assume that mountain lions' weights are normally distributed with a mean of 62.6…

A: We have given that,  X be the random variable from normal distribution with mean (μ) = 62.6 ,…

Q: Assume that adults have IQ scores that are normally distributed with a mean of u = 105 and a…

A: Let X denote the IQ scores of adults. Given that X follows N(mean = 105, SD = 20), then Z = (X -…

Q: In a particular city, the weight of newly born babies is normally distributed with a mean of 3.5 kg…

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Q: A study of the amount of time it takes a hiker to hike to the bottom of the Grand Canyon ane back to…

A:

Q: The service time for customers coming through a checkout counter has mean 51.4 seconds and standard…

A: Given: Service time = X Mean of X = 51.4 sec standard deviation of X = 6.8 sec n = 64 sample mean =…

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

A: Solution: From the given information, m=0.40 and s=0.16

Q: Assume that blood pressure readings are normally distributed with a mean of 123 and a standard…

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Q: a) The weights of kindergarten students are known to be normally distributed with a mean of 19.5 kg…

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Q: The sick-leave time of employees in a firm in a month is normally with a f 100 hours and a standard…

A: Given  Mean (mu) = 100 hours Standard deviation = s= 20 hours

Q: Assume that adults have IQ scores that are normally distributed with a mean of u = 100 and a…

A:

Q: "An electrical firm manufactures light bulbs that have a length of life that is approximately…

A: Given data,Mean μ=809sd   σ=89if n=36P(790<X<814)=?

Q: If x=26,412 tuition per a four year and n=7,498 is standard deviation. Assuming the distribution is…

A: From the provided information, Mean (µ) = 26412 Standard deviation (σ) = 7498 X ~N (26412, 7498)

Q: A. The average cost per household of owning a brand new car is 5,000. Suppose that we randomly…

A: “Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: In 2000, the average height of a woman aged 20–74 years was 64 inches with an increase of…

A:

Q: For a certain type of computers, the length of time between charges of the battery is normally…

A:

Q: The height of all 3-year-old females is approximately normal with a mean of 38.72 inches and a…

A:

Q: The mean gestation period of humans is 266 days with a standard deviation of 16 days. Find the…

A: Given data: μ=266σ=16

Q: Assume that the heights women are normally distributed with a mean of 63.6 inches and a standard…

A:

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

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.