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

Q: c. Find the p-value. Round to 4 decimals. p-value = d. Make a decision. O Fail to reject the null…

A: Given : Mean : x1 = 46.9x2 = 36.2 standard deviation : σ1 = 12.4σ2 = 15.3 Sample size : n1 = 124n2 =…

Q: A random sample of n measurements was selected from a population with unknown mean u and known…

A: Solution: D. From the given information, n = 90, x-bar = 4.34 and σ = 0.76.

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

A: The required Percentage is, 3.6%  the detailed solution is as follows below:

Q: Suppose that the distribution of touchdowns (in football) is normally distributed with a mean of 250…

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

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: 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 height of trees in a nursery is normally distributed with a mean of 56.4 inches and a standard…

A: The height of trees in a nursery is normally distributed with a mean of 56.4 inches and a standard…

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

A:

Q: Assume that the mathematics scores on the SAT are normally distributed with a mean of 500 and a…

A: The mean is 500 and the standard deviation is 100.

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

A: Let X be the length of the steel rods. Then X~N (144.3,0.8) i.e. µ=144.3 and σ=0.8

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

A:

Q: Hogie lizards have tail lengths that are normally distributed with a mean of 22.5 cm and a standard…

A:

Q: standford-binet iq test scores are normally distributed with a mean score of 100 and a standard…

A: standford-binet iq test scores are normally distributed with a mean score of 100 and a standard…

Q: The mean length of one-year-old spotted flounder, in millimeters, is 127 with standard deviation of…

A:

Q: Use Chebyshev's Theorem to find what percent of the values will fall between 120 and 150 for a data…

A: The percentage of observations that are within k std dev. of the mean is 100(1-1k2)%

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: The lengths of pregnancies in a small rural village are normally distributed with a mean of 262 days…

A:

Q: A random sample of 100 male students is drawn from a particular class. The mean and standard…

A:

Q: The heights of adult men in America are normally distributed, with a mean of 69.3 inches and a…

A: Let "x" be the height of women

Q: Suppose that the antenna lengths of woodlice are approximately normally distributed with a mean of…

A: we have to find given probability..

Q: If an order comes in for 10,000 steel rods, how many rods should the plant manager expect to…

A: Steel rods are manufactured with a mean length of 28 cm. Because of variability in the manufacturing…

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

A:

Q: The daily sleep duration among college students is normally distributed with a mean of 7.13 hours…

A: Solution

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 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 length of pregnancies are normally distributed with mean of 268 days and a standard deviation of…

A: Given : Length of pregnancies = X  X is normally distributed  Mean of X = 268 days  Standard…

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: f the value of adult male cholesterol is a normal distribution with a mean of 198 and a standard…

A: The question is about normal dist. Given : Mean of cholesterol value of adult male ( μ ) = 198 Std.…

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: If a sample of 144 male weights has a mean of 266 pounds and standard deviation of 32 pounds. The CV…

A: Given data Mean (x̅ ) = 266Standard deviation (s) = 32Coefficient of variation(CV) for sample is…

Q: The scores of a standarlized test form a normal distribution with a mean of 300 and standard…

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: Assume that the hourly cost to operate Saint-Martin Hyundai bus follows the normal distribution with…

A: