Suppose that the heights of adult men in the United States are normally distributed with a mean of 70.5 inches and a standard deviation of 3 inches. What proportion of the adult men in the United States are at most 6 feet tall? (Hint: 6 feet = 72 inches.) Round your answer to at least four decimal places. 0 X

Q: Levels of a certain enzyme in the blood have a mean value of 27.0 mg/mL and a standard deviation of…

A:

Q: Find the area of the shaded region. The graph to the right depicts IQ scores of adults, and those…

A: normal distribution μ = 100σ = 15 P(108<x<132) = ?

Q: The time for degree completion was record below. Years 4 6 5 6 5 8 Calculate the standard…

A: Calculation:The number of observations on time for degree completion (years) is, n = 6. Denote xi as…

Q: Suppose you select a sample of 2,000 high school seniors' verbal SAT scores. The mean and standard…

A:

Q: You throw a ball as far as you can 5 times, recording the distance for each throw: 165 feet, 184…

A: since only 5 observation is given we will consider them as sample (n = 5)and population (N = 100)…

Q: a. The difference is lb. (Type an integer or a decimal. Do not round.) b. The difference is standard…

A: Given, Highest weight=5.15 lb Mean=2.317 lb Standard deviation=1.661 lb

Q: The following data are the distances from the workplace (in  miles) for the 5 employees of a small…

A: The distances from the workplace (in miles) for the 5 employees of a small business are given as:…

Q: If a set of data has a mean of 12 and a standard deviation of 3, what is the z-score for a value of…

A:

Q: IQR If data are approximately normal, then 1.3 O A. True O B. False

A: We have given that  If data are approximately normal then IQR /s2 = 1.3

Q: The following data are the distance from the workplace (in miles) for the 6 employees of a small…

A: XX220400864151441936124525∑x=66∑x2=998

Q: Calculate the sample standard deviation for this data set: 65, 48, 70. The formula for the sample…

A:

Q: The tourist bureau of the Hawaiian Islands surveyed a sample of 5 United States tourists as they…

A: GIVEN DATA, sample size n=5sample:10,7,8,6,9standard deviation of the sample is =?

Q: In my homework assignment, I have a concern about standard deviation do I have to round it to two…

A: Rounding-off must always be done as per the instruction in the  question. In the absence of an…

Q: A population has mean 35 and standard deviationa-19. Find and o- for samples of sze 100. Round your…

A: Introduction: Denote X as a randomly selected observation from the population of interest. It is…

Q: In the equation for computing the standard deviation, n represents what? a. the average b. the mean…

A: Given that Formula for standard deviations Sd=√{∑(x- x̄)/n}

Q: A data set lists weights (lb) of plastic discarded by households. The highest weight is 5.61 lb, the…

A: Step 1:Given data : Mean μ=2.241Standard deviation σ=2.133Let X represent the weights of plastic…

Q: Aisha and Amber both took the ACT on the same day. They both earned a 27, but in different sections.…

A: Given: Aisha had earn 27 on her Science and Amber had earn 27 on her Math. For Science: μ = 20.9σ =…

Q: the following situation, find the mean and standard deviation of the population. List all samples…

A: See the Excel output

Q: ou will need ONE of the z score formulas for this question. Assume that incomes of public…

A: Solution: Let X be the incomes of public administrators are normally distributed with a mean μ=…

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

A: We have given that.    X~N( 0 , 1 )    μ = 0    , ? = 1

Q: A police radar gun is used to measure the speeds of cars on a highway. The speeds of cars are…

A:

Q: Find the area of the shaded region. The graph to the right depicts IQ scores of adults, and those…

A:

Q: A data set lists weights​ (lb) of plastic discarded by households. The highest weight is 5.67 ​lb,…

A: From the provided information, The highest weight is 5.67 lb. Mean of all weights (x̄) = 2.176…

Q: A data set lists weights (lb) of plastic discarded by households. The highest weight is 5.67 lb, the…

A: The highest weight is 5.67 lb.Mean of all weights (x̄) = 2.242The standard deviation of weight (s) =…

Q: Use the frequency distribution to construct a histogram. Does the histogram appear to depict data…

A: Use the frequency distribution to construct a histogram. Weight (g) Frequency 6.000-6.049 3…

Q: A data set lists weights (lb) of plastic discarded by households. The highest weight is 5.31 lb, the…

A: As per the Bartleby guildlines we have to solve first three subparts and rest can be reposted.,...…

Q: A data set lists weights (lb) of plastic discarded by households . The highest weight is 5.47 lb ,…

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

Q: A survey found that women's heights are normally distributed with mean 63.6 in and standard…

A: The sample mean [x] =63.6The standard deviation [s] =2.3

Q: If the standard deviation of the data .S={5,20,a} is 15. Find the value of a

A: Given: SD=15.   Also, by the formula of standard deviation:SD=∑x-x2n-1

Q: Which of the following would be a point estimate for the population mean?

A: Here use definition of given terms