The percent of fat calories that a person in America consumes each day is normally distributed with a mean of about 34 and a standard deviation of 10. Suppose that one individual is randomly chosen. Let X-percent of fat calories. a. What is the distribution of X? X - NO b. Find the probability that a randomly selected fat calorie percent is more than 38. Round to 4 decimal places. c. Find the minimum number for the upper quartile of fat calories. Round to 2 decimal places.

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

A: X follows a Normal distribution with mean = 257 and S.D = 44 Then z=(x-mean)/SD = (x-257)/44…

Q: Assume that a distribution of 10000 scores is normally distributed with a mean of 90 and a standard…

A:

Q: The average amount of money spent for lunch per person in the college cafeteria is $6.2 and the…

A: Here, 43 samples are collected. b.) Hence, if the sample mean is denoted by x, then, x~N(μ,σ2n),…

Q: Assume that a randomly selected subject is given a bone density test. Bone density test scores are…

A: Given that  Mean = 0 , Standard deviation = 1

Q: The lengths of pregnancies are normally distributed with a mean of 268 days and a standard deviation…

A: (a)   Obtain the probability that pregnancy will last 307 days or longer. The probability that…

Q: In a Statistics course the professor uses the following grading policy: the bottom 5% of students…

A: Given that  b .Find the probability that a randomly selected student gets an 80 or better? c.…

Q: Assume that the readings at freezing on a bundle of thermometers are normally distributed with a…

A:

Q: c. The 95th percentile for novels is words. (Round to the nearest word) d. The middle 40% of romance…

A: Given, Number of words in romance novel follows normal distribution with mean 64,169 and standard…

Q: Assume that a distribution of 10000 scores is normally distributed with a mean of 90 and a standard…

A:

Q: Let x be a ramdom variable that represents the IQ score of an adult . Then x has a normal…

A: The z-score denotes how many standard deviations an individual score is away from the population…

Q: The average number of words in a romance novel is 64,005 and the standard deviation is 17,457.…

A:

Q: Given that the mean for a data set is 24.8 and the standard deviation is 2.3, find the z-score of…

A:

Q: A large group of students took a statistics test.               The mean score, from the scale of…

A:

Q: Let X = { 1,2,6,9,11}. Find the mean and standard deviation given that X is a sample. %3!

A: The mean for the sample is calculated as follows:

Q: A set of data items is normally distributed with a mean of 200 and a standard deviation of 50. Find…

A:

Q: Assume that the readings at freezing on a batch of thermometers are normally distributed with a mean…

A: Here, µ=0°C, σ=1.00°C.

Q: Assume that the readings at freezing on a batch of thermometers are normally distributed with a mean…

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

Q: Let x be a ramdom variable that represents the IQ score of an adult. Then x has a normal…

A: The mean of the data is 100. The standard deviation of the data is 25.

Q: The average number of words in a romance novel is 64,315 and the standard deviation is 17,381.…

A:

Q: The percent of fat calories that a person in America consumes each day is normally distributed with…

A:

Q: The following table shows the number of people that have either 0, 1, 2 or 3 cars registered in…

A: The provided information is as follows:The total number of samples is .The data is given as…

Q: Assume that the readings at freezing on a batch of thermometers are normally distributed with a mean…

A: Given: X follows normal distribution with μ=00C Standard Deviation σ=1.000C

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

A:

Q: The percent of fat calories that a person in America consumes each day is normally distributed with…

A: Given information- Population Mean µ = 35 Standard deviation (σ) = 9 Let X be the percent of fat…

Q: Assume that a randomly selected subject is given a bone density test. Bone density test scores are…

A: Obtain the 7th percentile of the distribution.   The 7thpercentile of the distribution is obtained…

Q: Assume that the readings at freezing on a batch of thermometers are normally distributed with a mean…

A: Given: Population meanμ=0Standard deviationσ=1

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

A:

Q: the mean is 146, and standard deviation is 35. A score of 181 is how many z-scores above the mean?

A:

Q: As part of a study, 800 college football players are randomly chosen and their weights taken. The…

A:

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

A: The given question requires accurate answers, hence I will use excel to solve this question.…

Q: and a standard deviation of 1.00°C. A single thermometer is randomly selected and tested.…

A: Given: Assumption:  The readings at freezing on a bundle of thermometers are normally distributed…

Q: Assume that a randomly selected subject is given a bone density test. Those test scores are normally…

A: To solve this problem, we need to find the z-scores that separate the lowest 6% and the highest 6%…

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

A: Let X be the random variable from normal distribution with mean (μ) = 100 and standard deviation (σ)…

Q: Assume that the readings at freezing on a batch of thermometers are normally distributed with a mean…

A: Given that μ=0σ=1.00