IF MEN’S HEIGHTS ARE NORMALLY DISTRIBUTED WITH A MEAN OF 68 INCHES AND A STANDARD DEVIATION OF 10 INCHES FIND THE PROBABILITY A MAN IS TALLER THAN 69 INCHES. IF TAKE A SAMPLE OF 45 MEN FIND THE PROBABILITY THEIR AVERAGE HEIGHT IS BETWEEN 69 AND 75 INCHES. WHAT IS THE Z SCORE FOR AN INDIVIDUAL MALE FROM QUESTION #10 FOR MAN WHOSE HEIGHT IS 73 INCHES? WHAT IS THE Z-SCORE FOR A SAMPLE OF 36 MEN WHOSE AVERAGE HEIGHT IS 70 INC

Q: The U.S. Center for Disease Control reports that in year 1900, the mean life expectancy is 47.6…

A: Given  nw=117, x¯w=46.7 and  sw=11.4 And           nnw=86, x¯nw=38.4 and  snw=15.4

Q: . What is the probability that the student will get into a college whose entrance score is 550?

A:

Q: The National Health and Nutrition Examination Survey (NHANES) reported that in a recent year, the…

A:

Q: In New York State, the population of teachers is known to have an average of 12.2 years of classroom…

A:

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: The test scores in a class are normally distributed with a mean score of 77. if the standard…

A: The distribution of test score are normally distributed with mean of 77. Now consider the standard…

Q: The distribution of scores for the third exam in a statistics course has a mean of 74 and a standard…

A: Given Information: Mean, μ=74 Standard Deviation, σ=15 Sample Size, n=36

Q: population has a mean of 350 and a standard deviation of 25, determine the probability that a random…

A: GIVEN DATA, μ=350σ=25n=40p(335<x¯<375)=?

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: Please help him by finding the standard error of the mean for these data.

A: To find the standard error of the mean.Given that,

Q: The mean height of male college students in a large city is 68 inches and the standard deviation is…

A: Solution

Q: The net weight of a can of salmon is a random variable with a mean of 6.07 ounces and a standard…

A:

Q: Suppose the prevalence of type II diabetes in a community is 36%. Researchers want to sample 16…

A:

Q: A researcher showed the mean of weights of college football players to be 200 pounds with a standard…

A:

Q: When Noah goes bowling, his scores are normally distributed with a mean of 135 and a standard…

A: Let X be the Noah goes bowling, his scores are normally distributed  mean μ=135, standard deviations…

Q: The mean of a test is 400 and the standard deviation is 75. It is normally distributed. A sample of…

A: 1] Mean μ=400 2] standard deviation σ=75 3] n=25 4] μx¯=400σx¯=σn=7525=15

Q: For woman at Hartford college, times to run 400 meters are normally distributed with a mean of 85…

A: Solution: Let X be the time to run 400 meters. From the given information, X follows normal…

Q: score is 115 with a standard deviation of 12. If we assume the exam scores for student athletes…

A: Given that  Sample size n =21 Sample mean=115 Population standard deviation =15 NOTE:- According to…

Q: The weights of college football players are normally distributed with a mean of 193 pounds and a…

A: Mean = 193 Standard deviation = 53

Q: The manufacturer of cans of salmon that are supposed to have a net weight of 6 ounces tells you that…

A: GivenMean(μ)=6.04standard deviation(σ)=0.21Sample size(n)=33

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 average score of all golfers for a particular course has a mean of 64 and a standard deviation…

A:

Q: Dr. Brown wants to conduct a study on 144 college age student who drink at a local bar in town. The…

A: Sampling Distribution of a Normal Variable : Given a random variable X. Suppose that the population…

Q: Americans (on average) individually eat 16 pounds of seafood each year with a standard deviation of…

A: Given that   x̄ = 14 , μ = 16 , ? = 7 , n = 4

Q: A running back on the Spartans football team gains an average of 3.5 yards per carry with a standard…

A: Given : A running back on the Spartans football team gains an average of 3.5 yards per carry with a…

Q: Historically, the average score of PGA golfers for one round is 74 with a standard deviation of…

A: Given,sample size(n)=110mean(μ)=74standard deviation(σ)=3.91

Q: A soft drink machine outputs a mean of 26 ounces per cup. The machine's output is normally…

A: From the provided information,

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: 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: If the standard error,  of a sample data set is 5 and the standard deviation,  of the distribution…

A: For a population with mean µ  and standard deviation σ, the standard error is σx̅ = σ/√n, where x̅…

Q: Assume that an intelligence test scores are distributed normallt with a mean of 100 and a standard…

A: Standard normal distribution: The standard normal distribution is a special case of normal…

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.