The mean number of miles driven per vehicle annually in the United States is 12494 miles. Assume the annual mileage is normally distributed with standard deviation of 1290 miles. If we select a vehicle randomly, what is the probability that it was driven (a) more than 16000 miles? (b) between 10000 and 15000 miles?

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: normalized so this is the case). What is the probability that a randomly selected group of 100…

A: Given: The average IQ of a population is 100 with standard deviation 15. sample size (n) = 100

Q: The time it takes to grade an test has a mean of 5.45 minutes and a standard deviation of 1.2…

A: Given that.   X~N( μ , ?)   μ=5.45    , ?=1.2   Z-score =( x - μ )/?

Q: A Texas Instrument calculator operating life is normally distributed with a mean of 3,850 hours, and…

A: Given information- Population mean, μ = 3850 hours Population standard deviation, σ = 350 hours…

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

A: Solution : Given that , mean =  = 416 standard deviation =  = 136 a) P(x > 516) = 1 - p( x<…

Q: Deforestation along the Sierra Madre mountains have been especially notorious. The average number of…

A: It is given that  Mean, μ = 4115 Standard deviation, σ = 610 Z-Score, Z = ( X - μ )/σ

Q: Tiger Woods hits an average driver 287.2 yards with a standard deviation of 24.6 yards. What is the…

A: The probability value is calculate by means of standard normal variate with the random variable,…

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: 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: On average, Americans spent $940 dollars on holiday gifts in 2019, with a standard deviation of…

A: Here, we have given that on average , Americans spent $ 940 dollars on holiday gifts in 2019, with…

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: Refer to the sample data for pre-employment drug screening shown below. If one of the subjects is…

A:

Q: The average rainfall received in New Jersey in the past few months was 3.6 inches with a standard…

A: Let X denotes the rainfall received in New Jersey. The average rainfall received in New Jersey in…

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 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: Traveling between University of Santo Tomas and Rizal Park, Manila via shuttle bus takes, on…

A: Given that, μ=28,σ=5 and n=40 The mean and standard deviation of the sample mean is,

Q: Traveling between University of Santo Tomas and Rizal Park, Manila via shuttle bus takes, on…

A: Solution: Let X be the transport time. From the given information, X has mean µ=28 minutes and a…

Q: If a golfer hit drives a golf ball with a mean of 180 yards and a standard deviation of 20 yards,…

A: We have given that  A golfer hit drives a golf ball with a mean of 180 yards and a standard…

Q: Traveling between two campuses via shuttle bus takes, on average, 28 minutes with a standard…

A:

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

A:

Q: The mean daily production of a herd of cows is assumed to be normally distributed with a mean of 34…

A: Answer: From the given data, The mean daily production of a herd of cows is assumed to be normally…

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.