What is the probability that a randomly selected observation from the standard normal stribution is greater than 0.67? 0.0618 0.9929 0.2514 8508 823 A MacBook Pro J f

Q: he heights of 18-year-old men are normally distributed with a mean of 67 inches and a standard…

A: Given data,μ=67σ=3If n=9P(66<X<68)=?

Q: The healing time for a broken clavicle is from a Normal distribution with a mean of 41 days and a…

A: Given,mean(μ)=41standard deviation(σ)=6

Q: Scores on the Wechsler Adult Intelligence Test are normally distributed with a mean of 100 and a…

A: Given:' Mean = μ=100 Standard deviation = σ= 10

Q: An instructor has found that the time spent by students on a particular homework assignment follows…

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

Q: The incoming freshman class at North Carolina State University had a mean unweighted GPA of 3.81…

A:

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

A: Given,   Mean = 371 Standard deviation = 44   The objective is to find the required probabilities.

Q: The population mean rushing yards gained in the 2005 NFL season by runners with at least one…

A: Mean ()=160standard deviation ()=174sample size(n)=10

Q: Let x be the number showing on a fair six-sided die. The distribution of x has a mean of 3.5 and a…

A: Central limit theorem:For iid random variables, Xi (i = 1, 2, …, n) with mean E(Xi) = µ and standard…

Q: During my office hours from 12pm to 6 pm an average of about 1 student per hour comes in for help.…

A: Obtain the mean number of students that will come see me on a particular day. The mean number of…

Q: What is the length of time it takes to find a parking spot, during the summer terms on a campus,…

A: Mean = 3.5 Standard deviation = 1

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

A:

Q: The mean daily production of a herd of cows is assumed to be normally distributed with a mean of 33…

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

Q: 4. For a standard normal distribution, the probability of obtaining az value of less than 1.6 is…

A: GivenThe probability of obtaining a z-value of less than 1.6 is

Q: Assume that the life of a certain brand of lightbulb has a distribution that is approximately…

A:

Q: The weight of checked bags for a major airline can be modeled by a normal curve with mean 35.6…

A: Given data: Mean = 35.6 pounds Standard deviation = 4.8 To use: The 68-95-99.7 rule to approximate…

Q: Assume that the number of calories in a McDonald's Egg McMuffin is a normally distributed random…

A:

Q: The number of ants per acre in a forest is normally distributed with mean 42,000 and stands…

A: We have given that,  The  forest is normally distributed with mean(mu) = 42000 and standard…

Q: The average hourly wage of workers at a fast food restaurant is $6.50 an hour with the standard…

A: Let X be the random variable from normal distribution with mean (μ) = $6.50 and standard deviation…

Q: of a residential house in the US is normally distributed with a mean=1000 and standard deviation=150…

A:

Q: he probability that less than 324 customers in the sample pay online ii. What is the probability…

A: Given,sample size(n) = 400The proportion (p) of the number of all customers who pay online =…

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: Which of the following probability values corresponds to values of a normal random variable within…

A: The empirical rule, also referred to as the three-sigma rule or 68-95-99.7 rule, is a statistical…

Q: Suppose Z has a standard normal distribution. According to the empirical rule, what is P(-2<Z<1)…

A: According to the empirical rule,

Q: If z is a standard normal variable, find the probability that z is less than − 2.08 ( round the…

A: Draw the normal curve and shade the area to the left of z=-2.08.

Q: Sure Stone Tire Company has established that the useful life of a particular brand of its automobile…

A: Mean = 40000 Standard deviation = 5000

Q: A manufacturer produces a commodity where the length of the commodity has approximately normal…

A: Given that the mean is 19.2 and standard deviation is 2 inches. The sample of 42 items. That is,…

Q: 11. What is the z score for an IQ score of 110? 12. What is the probability of randomly selecting…

A:

Q: The quality-control officer for an electronics firm claims that 96% of the parts shipped out are in…

A: given that n =100 , p(good ) = 0.96 , p( defective ) =0.04 p ( n more than two defectives ) = ?

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

A:

Q: Assume that adults have IQ scores that are normally distributed with a mean of 101 in a standard…

A:

Q: The plasma cholesterol level (mg/dL) for patients who have not been diagnosed with heart disease and…

A: We have to find out given probability..

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…

Q: and S1 for certain patients has a distribution with mean 3.31 and standard deviation 1.5. What is…

A: It is given that  Mean, μ = 3.31 Standard deviation, σ = 1.5 Sample size, n = 40 Sample mean, M =…

Q: Samuel F.B. Morse (1791 – 1872), the creator of Morse Code, claimed that 12% of all letters used in…

A:

Q: A standard I.Q. test produce normally distributed results with a mean of 100 and a standard…

A:

Q: If the probability that the random variable Z with a standard normal distribution is between the -k…

A: We know, Z follows standard normal distribution, therefore,…

Q: What is the probability that 46 cars chosen at random will have a mean load weight x of less than…

A: From the provided information, Mean (µ) = 86 Standard deviation (σ) = 1.4 Sample size (n) = 46 X~N…

Q: penalties per game. What i penalties per game or less Carry your intermediate co

A: Mean= 2.2 per game Standard deviation= 0.8 Total college games =40 Penalties per game= 2.35

Q: the amount of money spent by lunch time cusomers at a deli has a population mean 533.7 and…

A: From the given information,   Mean = 533.7 Standard deviation = 129.4 Sample size = 45