in one region the September energy consumption levels for single-family homes are found to be normally distributed with a mean of 1050Kwh and a standard deviation of 218kwh. Find the probability that the total energy consumption level for all 50 homes for September is greater than 53,750

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

A:

Q: .What is the probability that a random fastball exceeds 170 km/h?

A: Let X denote the speeds of a baseball pitcher's fastballs. It is given that The distribution of X is…

Q: The amount of time it takes students to complete a biology exam is normally distributed with a…

A: Given that, The random variable X is the amount of time takes students to complete a biology exam It…

Q: One country’s annual rainfall has a normal distribution with mean of 100 inches and standard…

A:

Q: Human heights are one of many biological random variables that can be modeled by the normal…

A: Given that Mean=M=176.7 Standard deviation=S=9.9

Q: A particular fruit's weights are normally distributed, with a mean of 783 grams and a standard…

A: It is given that the mean is 783 and the standard deviation is 24.

Q: The weights of the cement per bag are normally distributed with a mean of 8.16 kg and a standard…

A:

Q: The percent of fat calories that a person in a city consumes daily is normally distributed with a…

A:

Q: The amount of snowfall falling in a certain mountain range is normally distributed with an average…

A: From the provided information, Mean (µ) = 170 inches Standard deviation (σ) = 20 inches X~N (170,…

Q: A quart of Parker's milk contains a mean of 42 grams of butterfat, with a standard deviation of 2.5…

A:

Q: he lengths of pregnancies are normally distributed with a mean of 268 days and a standard of…

A: mean=268 S.D=15

Q: The life of a vacuum cleaner is normally distributed with mean of 2 years and a standard deviation…

A: Given: Mean(μ)  = 2 years Standard deviation (σ) = 1 years

Q: Find the probability that 1 man has weight greater than 160 lb. Assume that weights of males are…

A: Let X represent the random variable Mean=182.9 SD=40.8   X~ Normal (182.9, 40.82)

Q: The average number of miles driven on a full tank of gas in a certain model car before its​ low-fuel…

A: It is given that the mean is 399 and the standard deviation is 36.

Q: The amount of snowfall falling in a cetain mountain range is normally distributed with a 70 inches,…

A: Given Information: Mean μ = 70inches Standard deviation σ = 10 inches Sample size n = 25 To find the…

Q: an elevator is loaded with 16 male passengers, find the probability that it is overloaded because…

A: We have given that  Normally distributed with a mean of 182.9 lb and a standard deviation of 40.8…

Q: A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of…

A: Mean = 139.1 Standard deviation = 1.1

Q: he number of bank robberies that occur in a large North American city is Poisson distributed with a…

A: Given : Let X : No. of bank robberies that occur in a large North American city is Poisson…

Q: the life expectancy for a species of certain insects is normally distributed with mean of 14.3…

A: It is given that the mean is 14.3 and the standard deviation is 4.3.

Q: The life of a semiconductor laser at a constant power is normally distributed with a mean of 7000…

A: It is given that  Mean, μ = 7000 Standard deviation, σ = 600 Z-Score, Z = ( X - μ )/σ   Note:…

Q: The level of nitrogen oxides (NOX) and nonmethane organic gas (NMOG) in the exhaust over the useful…

A: Mean == 80Standard deviation  = 6n = 16s = 6/√16 = 1.5Levels of significance = 1 - 0.05 = 0.95 or…

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 average age of UST employees is 34 years old. Assume the data is normally distributed. If the…

A: The average age of UST employees is 34 years old i.e. μ=34 The standard deviation is three years…

Q: the amount of snowfall falling in a certain mountain range is normally distributed with a mean of 88…

A: It is given that the normal distribution has a mean, μ=88 and the standard deviation, σ=16. The…

Q: The amount of snowfall falling in a certain mountain range is normally distributed with 80 inches…

A: Let x¯ denotes the mean annual snow falling during 25 randomly picked years. The mean is 80, and…

Q: Assume that adults have IQ scores that are normally distributed with a mean of 104.7 and a standard…

A: It is given that the IQ score follows normal distribution with mean 104.7 and standard deviation…

Q: The lengths of pregnancies of humans are normally distributed with a mean of 265 days and a standard…

A: Given mean(μ)=265standard deviation(σ)=15

Q: he number of customers at a coffee shop per day follows a normal distribution with a mean of 3,500…

A: given data, normal distributionμ=3500σ=250probability that the coffee shop will serve more than…

Q: he level of nitrogen oxides (NOX) and nonmethane organic gas (NMOG) in the exhaust over the useful…

A: Given Data: Mean (μ)=85 Standard deviation (σ)=6 Variance (σ2)=36 Sample size(n)=16   Let X be the…

Q: Each month, a public market in Batangas generates an average of 30 pounds of plastic for garbage or…

A: Mean(µ) = 30Standard deviations (σ) = 4X ~ N (µ, σ )= N (30, 4)

Q: The normal model applies to the productivity of all workers at a factory, with a mean of 75 units…

A:

Q: The annual precipitation amounts in a certain mountain range are normally distributed with a mean of…

A: Solution: Let X be the annual precipitation amount in a certain mountain range. From the given…

Q: Assume females have pulse rates that are normally distributed with a mean of 72 beats per minute and…

A: Given that: Mean = 72 beats S. D. = 12.5 beats Sample size (n)  = 25 By using standard normal…

Q: The average score of all golfers for a particular course has a mean of 61 and a standard deviation…

A: Mean()=61Standard deviation()=4Sample size(n)=64

Q: Assume that adults have IQ scores that are normally distributed with a mean of 98.1 and a standard…

A: Answer:- Given, IQ scores(X) are normally distributed with mean, μ = 98.1 and standard deviation, σ…

Q: The height of 10 year old females is normally distributed with a mean of 54.8 inches and a standard…

A: It is given that mean and standard deviation are 54.8 inches and 2.74 inches, respectively.

Q: Suppose that heights of women at UT Tyler are normally distributed with a mean of 64 inches and a…

A: It is given that the mean is 64 and standard deviation is 2.4.

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.