The normal model applies to the productivity of all workers at a factory, with a mean of 75 units and a standard deviation of 20. what is the probability that the average number of units produced by 18 workers on any randomly selected day is greater than 85 units?

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

A:

Q: A normal distribution has a mean of 60 with a standard deviation of 8. If one score is randomly…

A: Let A(x) be the probability that the value of a random variable X is less than or equal to x where X…

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: Suppose the distribution of serum cholesterol values in undergraduate men is approximately Normally…

A: GivenMean(μ)=190standard deviation(σ)=40

Q: Suppose the scores on a statistics exam follow a normal distribution with a mean of 70 and a…

A: GivenMean(μ)=70standard deviation(σ)=10

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: The amount of snowfall falling in a certain mountain range is normally distributed with a mean of 70…

A: It is given that the amount of snowfall falling in a certain mountain range is normally distributed…

Q: In New York State, the population of teachers is known to have an average of 12.2 years of classroom…

A:

Q: The height of the students in a class shows normal distribution. Students in this class have an…

A: We have to find givén probability..

Q: The IQ scores of adults are normally distributed with a mean of 100 and a standard deviation of 15.…

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: In 1999, the murder rates (per 100000) for the 50 states and the District of Columbia had a mean of…

A: Given mean is 5.9 and standard deviation 6.3 sample size is 5

Q: In 1999, the murder rates (per 100,000) for the 50 states and the District of Columbia had a mean of…

A:

Q: Assume that the total cholesterol levels for adults are normally distributed with mean cholesterol…

A: The problem provides us with the following values:Mean (μ) = 51.5 mg/dLStandard Deviation (σ) = 14.3…

Q: Suppose IQ scores are normally distributed with a mean of 100 and a standard deviation of 15. What…

A:

Q: Suppose IQ scores are normally distribut a mean of 100 and a standard deviation What is the…

A: Solution:  Let X be the IQ scores are normally distributed with mean 100 and standard deviation 15.…

Q: What proportion of the students scored lower than 80 if the distribution of these grades can be…

A:

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: Suppose IQ scores are normally distributed with a mean of 100 and a standard deviation of 15. What…

A: GIVEN DATA, IQ scores are normally distributed μ =100σ=15 n=150probability a random sample of 150…

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 exam scores on a statistics final exam are normally distributed with a mean of 140 points out of…

A: Consider that the mean and standard deviation of a random variable X are µ and σ, respectively.…

Q: Suppose IQ scores are normally distributed with a mean of 100 and a standard deviation of 15. What…

A: Given that : Mean =100 Standard Deviation =15 We have to find the probability a random person has an…

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: Suppose IQ scores are normally distributed with a mean of 100 and a standard deviation of 15. What…

A: GIVEN DATA μ=100σ=15PROBABILITY THAT A RANDOM SAMPLE OF 100 PEOPLE HAS A MEAN IQ OF MORE THAN 104…

Q: The time it takes a student to walk from the dorm to the chemistry lab follows roughly a Normal…

A: We have given that the time it takes a student to walk from the dorm to the chemistry lab follows…

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 annual salary for an emergency room nurse is a normally distributed random variable with a mean…

A: Mean()=80000standard deviation()=12000sample size(n)=36

Q: What is the probability that a randomly selected book has fewer than 141 pages if the mean is 193…

A: Given that The mean= 193 The standard deviation = 26 To find the probability that a randomly…

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: In a large population of adults, IQ scores are said to be normally distributed with a mean of 115…

A:

Q: According to a medical journal, the distribution of weights of newborn babies is approximately…

A: The objective of this question is to find the probability that a newborn baby will weigh more than…

Q: The sugar content of 12-ounce cans of COKE is normally distributed with a mean of 37 grams and a…

A: Given that, Mean = 37 Standard deviation = 10

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.