estions 1. Residents of rural Wisconsin drink an average of 4L of soda per week, with a standard deviation of 1L. What is the probability that a randomly-selected resident of rural Wisconsin drinks 5.5 to 6.8L of soda per week?

Q: Assume that adults have IQ scores that are normally distributed with a mean of 96.8 and a standard…

A: Let "X" be the IQ score of the adults.

Q: A racing car is one of the many toys manufactured by Mack Corporation. The assembly times for this…

A: Mean()=55standard deviation()=4The company closes at 5 P.M every day

Q: 2. The average gas mileage of an Audi A5 Cabriolet car is 39.5 miles per gallon. If the gas mileages…

A: given information According to given question random variable (x = average gas mileage) follows…

Q: 2. Rainfall The average rainfall in Roanoke, Virginia for the month of March is 9.22 centimeters.…

A: The central limit theorem, the standard normal variable is calculated using the sample mean,…

Q: A random variable has a normal distribution with a mean of 15 and a standard deviation of 2.5.…

A: The given mean is 15, and standard deviation is 2.5. The standard score is -2.15.

Q: If the normal operating life of a car is considered to be 150,000 miles, with a standard deviation…

A: The probability that a car will last 200,000 miles is calculated as follows:

Q: afactory manufactures car tyres that have an average lifetime of 45261 kilometers with a standard…

A: Given: X~N(μ,σ)μ=45261Kmσ=2761Km

Q: Consider an experiment in which a coin is tossed thrice. Let X be the number of heads. Find the…

A:

Q: Assume that adults have IQ scores that are normally distributed with a mean of 96.9 and a standard…

A:

Q: At one college, GPA's are normally distributed with a mean of 3 and a standard deviation of 0.6.…

A: The Empirical rule for any normal distribution is given below:

Q: The average cost per household of owning a brand new car is P5,500. Suppose that we randomly…

A: Mean(μ)=5500 standard deviation(σ)=1550 sample size(n)=45

Q: A normal random variable x has an unknown mean and standard deviation. The probability that x…

A: Given that A normal random variable x has an unknown mean and standard deviation. The probability…

Q: A population of values has a mean of 38.5 and standard deviation of 80.4.  Find the probability…

A:

Q: There are 100,000 particles m-3, and the particle diameters follow a normal distribution. The mean…

A: From the provided information, Mean (µ) = 0.1 Standard deviation (σ) = 0.02 X~N (0.1, 0.02) Here X…

Q: A population has μ = 50 and σ = 5. If 10 points are added to every score in the population, what are…

A: Consider, (µ) = 50 and (σ) = 5 Let, X be the scores of the population. If 10 points are added to…