find an 80th percentile of the distribution of the average of 49 flyballs

Q: The cruising altitudes for a Boeing 747 are normally distributed with a mean of 35,105 feet with a…

A: Solution

Q: The distribution for the time a patient of a medical center spends waiting for an appointment is…

A: Solution: Let X be the time a patient of a medical center spends waiting for an appointment. From…

Q: Assume that adults have iq scores that are normally distributed with a mean of 100 and a standard…

A: Solution: Let X be the adults IQ score has normally distributed with mean μ=100 and standard…

Q: The ages of the members of a popular ski club is normally distributed with a mean of 46 years and a…

A: Given that the ages of the members of a popular ski club is normally distributed with a mean of 46…

Q: The Stanford-Binet IQ test is scaled so that scores have a mean of 100 and a standard deviation of…

A: Let "X" be the Stanford-Binet IQ test

Q: The weight of a type of dog follows Normal distribution with mean of 10 pounds and standard…

A: It is given that the mean and standard deviation are 10 and 2.

Q: The salaries of a company's employees are normally distributed with mean 15000 and standard…

A:

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

A: The Z-score of a random variable X is defined as follows: Z = (X – µ)/σ. Here, µ and σ are the mean…

Q: The lengths of pregnancies are normally distributed with a mean of 280 days and a standard deviation…

A:

Q: The weights of students in a large statistics class vary according to a normal distribution with…

A:

Q: A normally distributed set of data has been generated where 50% of the data lies below 97 and 70%…

A:

Q: Steel rods are manufactured with a mean length of 27 centimeter​ (cm). Because of variability in the…

A: Given,mean(μ)=27standard deviation(σ)=0.06

Q: The admission committee of AUCA passes 61% of those who took the exam. If the scores follow a normal…

A: We have given that.   X~N( μ , ?^2 )   μ =350 , ? =25   Z-score =( x - μ )/?

Q: he distribution for the time a patient of a medical center spends waiting for an appointment is…

A: Given data,μ=35σ=12P(11<X<35)=?

Q: A mechanical device has a wear out time distributed normally with a mean of 1100 hours and a…

A:

Q: Assume that women have heights that are normally distributed with a mean of 63.6 inches and a…

A:

Q: Assume that the speed of automobiles on an expressway during rush hour is normally distributed with…

A: The speed of automobiles on an expressway during rush hour is normally distributed with a mean of 64…

Q: Head circumferences of some males have a bellshaped distribution with a mean of 57 centimeters and a…

A: Head circumferences of some males have a bellshaped distribution : Bell shaped distribution means…

Q: If an espresso machine out-pour is normally distributed with the mean of 0.9 ounces and standard…

A: Let  X be the random variable from normal distribution with mean (μ) = 0.9 and standard deviation…

Q: The weights of students in a large statistics class vary according to a normal distribution with…

A:

Q: The population distribution of the useful lifetime of a cutting blade of a concrete saw has mean 50…

A: From the provided information, Population mean (µ) = 50 hours Standard deviation (σ) = 9 hours Let X…

Q: Adult Golden Retrievers have a mean weight of 64 pounds with a standard deviation of 8 pounds. If…

A: In this scenario, it is known that the  mean weight is 64 pounds with a corresponding standard…

Q: The mean BMI score for dieters on the Jenny Craig weight loss program is 38.5, and the standard…

A: The normal distribution: A continuous random variable X is said to follow normal distribution with…

Q: The lengths of a particular animal's pregnancies are approximately normally distributed with mean of…

A:

Q: ticular fruits weight are normally distributed with a mean of 285 grams and a standard deviation of…

A: According to the sum, A particular fruit weight is normally distributed with a mean of 285 grams and…

Q: The age distribution of a sample of 5000 persons is bell shaped with a mean of 40 years and a…

A: GivenMean(μ)=40standard deviation(σ)=12

Q: The weights of students in a large statistics class vary according to a normal distribution with…

A:

Q: The time needed to take an exam is normally distributed with an average of 120 minutes and a…

A: Given,mean(μ)=120standard devition(σ)=20

Q: During the fall season of racing at Dover International Speedway, the mean speed of the cars racing…

A: Assume that the racing speeds are normally distributed.

Q: are normally distributed with a mean of 100 and a standard deviation of 15. What IQ is in the 90th…

A: Kwe have to find out given probabiity..

Q: mean length of 25 cm. Because of the variability in the manufacturing​ process, the lengths of the…

A: Population mean μ =25 Population standard deviation =0.08

Q: The heights of men aged 20 to 29 are normally distributed with a mean of 69.2 inches and a standard…

A: the PDF of normal distribution is = 1/σ * √2π * e ^ -(x-u)^2/ 2σ^2standard normal distribution is a…

Q: tal of 82 Grade 11 students of ABC senior high school took the 60 item test in General mathematics.…

A: To find the normal distribution with the mean 42 and standard deviation 6

Q: Assume that adults have IQ scores that are normally distributed with a mean of 100.3 and a standard…

A: Assume that adults have IQ scores that are normally distributed with a mean of 100.3 and a standard…

Q: for a population with a standard deviation of 10 and mean of 100, draw a bell shaped curve, marking…

A: We have to draw bell shaped curved and marking location of the mean and standard deviation..

Q: What is the proportion of vehicles less than or equal to the speed limit?

A: Let , X→N(μ=71 , σ=8) Our aim is to find the proportion of vehicles less than or equal to the speed…

Q: How is standard deviation a measure of distance?

A: We know that the standard deviation is the measure of the dispersion of data which is based on…

Q: The heights of Ukranian women are normally distributed with a mean of 71 inches and a standard…

A: It is given that the heights of Ukranian women follows normal distribution with mean 71 inches and…

Q: The song-length of tunes in the Big Hair playlist of a Statistics professor's mp3-player varies from…

A:

Q: Assume that adults have IQ scores that are normally distributed with a mean of 100 and a standard…

A: Introduction: If P4 denotes the 4th percentile, then observations lie below P4 with 4% or 0.04…

Q: A mechanical device has a wear out time that is normally distributed with a mean of 1100 hours and a…

A:

Q: Suppose that the distance of fly balls hit to the outfield (in baseball) is normally distributed…

A: let X be the distance of fly balls hit to the outfield X~N(mu=260,sigma^2=50^2) n=49 we want to find…