Men’s heights are distributed with a mean of 69.3 inches and a standard deviation of 2.94 inches. women’s heights are normally distributed with a mean of 63.8 inches and a standard deviation of 2.8 inches. The US Navy requires a fighter pilots to have heights between 62 inches in 78 inches • what is the percentage of women meeting the height requirement. what percentage of women are not qualified because they are too short or too tall? •Find the percentage of men meeting the height requirement. what percentage of men are not qualified because they are too short or too tall?

Q: What is the probability that a first grade classroom of 20 students who are chosen randomly from the…

A: Given Information: Mean μ=100 Standard deviation σ=15 Sample size n=20

Q: Female cougar weights are normally distributed with mean=102 pounds and standard deviation= 13…

A: Answer:-  Given that, μ=102, σ=13

Q: The election results were announced in a country. The number of seats in state Mozi had a mean of…

A:

Q: What is the corresponding Z- score, mean is 110, standard deviation is 8 and x is 90

A: In question, We'll find the Z - score for mean 110, standard deviation 8 and x = 90. The solution is…

Q: The class mean for the exam was 82 with a standard deviation of 6.  There are 37 students in the…

A: We have given that, Mean = 82 , standard deviation σ = 6  sample size n = 37   Standard error of the…

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: College students average 7.8 hours of sleep per night with a standard deviation of 40 minutes. If…

A:

Q: When you have a skewed distribution, it is better to use-- than -- interquartile range;range…

A:

Q: The results of a common standardized test used in psychology research is designed so that the…

A:

Q: What is the standard deviation of 32, 21, 17, 38 and 6.

A:

Q: College students average 7.4 hours of sleep per night with a standard deviation of 45 minutes. If…

A: Given data  college students average 7.4 hrs of sleep with standard deviation of 45mins

Q: Please answer all questions and show work

A: a) To calculate the expected value of X,we need to sum up the mean weight of each male…

Q: The results of a common standardized test used in psychology research is designed so that the…

A: It is given that the mean and standard deviation are 145 and 30.

Q: The highway mileage (mpg) for a sample of 8 different models of a car company can be found below.…

A: Given data is19,22,26,28,29,31,34,34sample size(n)=8

Q: The weights of college football players are normally distributed with a mean of 200 pounds and a…

A: Answer:From the given data,Let X: The weights of college football playersX is normally distributed…

Q: Average words in a romance novel is 64,253 and the standard deviation is 17,467 assuming the…

A: μ = 64253σ = 17467

Q: Americans love ice cream .The annual per capita consumption of ice cream ,in pounds ,in the united…

A: It is given that the mean is 16.5 lbs and standard deviation is 2.5 lbs.

Q: The hospital record shows that the mean weight of newly born baby is 7 lbs with the standard…

A:

Q: Find the proportion of scores greater than 70 mean is 90 standard deviation is 10

A: The standard normal distribution:A continuous random variable Z is said to follow standard normal…

Q: the widget weight have a mean of 61 ounces and a standard deviation of 5 ounces. 99.7 of the widget…

A: 68-95-99.7-rule: Let X be an observation from a normal distribution, having mean µ and standard…

Q: If the heights of intramural college basketball players are normally distributed with mean u =…

A: Given,μ=70σ=6.5P(63.5<X<76.5)=?

Q: The results of a common standardized test used in psychology research is designed so that the…

A: The standard normal value helps to understand the number of deviation of observations from the mean.…

Q: The height of men is a normally distributed variable with a mean of 68 inches and a standard…

A: Mean(μ)=68Standard deviation(σ)=3

Q: Nationally the average score on the college entrance exams (Verbal test) is 453 with a standard…

A: Consider that μ is the population mean score. Null hypothesis: H0: μ = 453. Alternative hypothesis:…

Q: Robert finished a triathlon in 64.5 minutes. Among all men in the race, the mean finish time was…

A: formula for z-score is

Q: Define "Standard Deviation" and also Find out the Standard Deviation of the given data: 86, 37, 21,…

A: Definition: Standard deviation is a measure of the amount of variation or dispersion of a set of…

Q: Explain an important difference between the standard deviation and the mean.

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: The length of the western rattlesnake is normally distributed with a mean of 42 inches and a…

A: Determine the length of the snakes that the 95% of western rattlesnakes that are longer than. The…

Q: The mean IQ is 100 and the standard deviation is 15. What percentage of people fall between the IQs…

A: given  data, μ=100σ=15we have to find out the percentage of people

Q: A student will spend 15 hours average each week in class. If the standard deviation is 2 hours, what…

A: Given that mean=15 and standard deviation = 2 Let, X= number of hours spent by a student in the…

Q: A researcher believes the mean weight of male turtles is more than 205 pounds, she samples 18 male…

A: Denote μ as the population mean weight of male turtles.   The claim is that the mean weight of male…

Q: Americans love ice cream .The annual per capita consumption of ice cream ,in pounds ,in the united…

A: We have given that,  X be the random variable from normal distribution with mean (μ) = 16.5 and…

Q: The sizes of houses in Kenton County are normally distributed with a mean of 1369 square feet with a…

A: From the given information, the mean and standard deviation are 1,369 and 171.

Q: vg canadian worker spends 29.88 minutes driving to work each day. Assume the distribution of driving…

A: Given Information: On average Canadian worker spends 29.88 minutes driving to work each day. i.e.,…

Q: Which data set would be likely to have the larger standard deviation? Explain. * * Data set 1:…

A:

Q: What is the lowest standard deviation value ?

A: Standard deviation; The standard deviation indicates by how much each observation differs from a…

Q: The number of calories consumed per day for a child is normally distributed with a mean of 1544 and…

A: The number of calories consumed per day for a child is normally distributed with a mean of 1544 and…

Q: ore is needed to be in the top 8%? Mean is 90 Standard Deviati

A: Let the left area of the normal curve is denoted by -z* and the right area of the curve by z*. Now,…

Q: The average triglyceride level of adult males is 126 milligrams per deciliter. You want to determine…

A: Step 1: From the provided information, Step 2:Hypotheses and test statistic:The hypotheses can be…

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.