A survey found that limited to normally distributed with mean 63.4 and a standard deviation 2.2 branch of the military requires women’s to be between 58 inches in 80 inches
Q: according to chebyshev's theorem, at least 88.9% of data will be between Mean=15.4 Standard…
A: Chebyshev's theorem gives the minimum proportion of the data which must lie within a given number of…
Q: Suppose the heights of 10-year-old boys in the US vary according to a normal distribution with a…
A: The objective of this question is to find the percentile of a boy with a height of 140 cm given that…
Q: Medical research suggests that systolic blood pressure in adults is approximately normally…
A: Denote X as the blood pressure in adults. It is given that X is approximately normally distributed,…
Q: Men's heights are normally distributed with mean 69.3 inand standard deviation 2.94 in. Women's…
A: Let X denote the Women's heights and it follows normal distribution with mean μ=63.8 in and standard…
Q: If a sample has a mean of 150 and a standard deviation of 9, what is the value in the data set that…
A: Given,mean(μ)=150standard deviation(σ)=9Z-score=1.58
Q: According to a recent study the Weight of male babies less than two months old in United States is…
A: Given that, Mean, mu= 11.4 Standard deviation, sigma= 2.7 We know that, Z score= (X- my)/sigma
Q: A survey found that women's heights are normally distributed with mean 63.4 in. and standard…
A: a. Obtain the percentage of women meeting the height requirement. The percentage of women meeting…
Q: a certain country the heights of adult men are normally distributed with a mean of 66.4 inches and a…
A: According to the given information in this questionWe need to find the what percentage of this…
Q: The number of potholes in any given 1 mile stretch of freeway pavement in Pennsylvania has a…
A: Given Mu=63 Standard deviations=5
Q: The drive distance (in yards) for professional golfers is normally distributed with a mean of 308.04…
A: 68-95-99.7-rule: Let X be an observation from a normal distribution, having mean µ and standard…
Q: The average hours of sleep on a weeknight was 6.9 hours with a standard deviation of 1.5 hours. What…
A: Given that Mean = 6.9 and Standard deviation = 1.5 Formula z = (x - mean)/ SD
Q: A researcher measures the lengths of 3-year-old yellow perch in a fish hatchery and finds that they…
A: From the provided information, Mean (µ) = 17.2 Standard deviation (σ) = 3.4 X~N (17.2, 3.4)
Q: A survey found that women's heights are normally distributed with mean 63.8 in. and standard…
A: From the given dataFor women's :Fro Men's :
Q: Suppose that striped dolphin lengths are normally distributed with a population standard deviation…
A: The formula for the minimum sample size is as follows: Here, zα/2 is the critical value at 95%…
Q: if an approxemitly bell shaped distribution has a mean of 30 and standard deviation of 5, what…
A: Given that X~N( μ = 30 , ? = 5 ) μ = 30 , ? = 5 Formula for Z-score Z-score =( x - μ )/?
Q: Steel rods are manufactured with a mean length of 25 centimeters (cm). Because of the variability in…
A: Given, Steel rod length are normally distributed with mean 25 cm and standard deviation 0.07.
Q: Find the percentage of men meeting the height requirement. What does the result suggest about the…
A: Given that For Women Mean = W = 62.3 , Standard deviation = Sd = 3.7 For Men Mean = M = 69.4 ,…
Q: The average score on the standard I.Q test is 100 with standard deviation 15. The Mensa group…
A:
Q: A survey found that women's heights are normally distributed with mean 62.3 in. and standard…
A: (A)Let X denote the height of a randomly selected woman. For women, the distribution of heights is…
Q: A survey found that women's heights are normally distributed with a mean62.2in. and standard…
A: It was stated that a survey found that women's heights are normally distributed with a mean62.2in.…
Q: Suppose the average golfer drives the ball around 225.55 yards with a standard deviation of 8.82.…
A: Assume that the random variable x denotes the distance of balls drove by the golfer.
Q: Mens' heights are normally distrubted with a mean of 68.3 inches and a standard deviation of 2.7.…
A:
Q: An article in the Podunk County Times claims that children in the county watch an average of 3 hours…
A: a) The hypotheses for the test are given below. Null hypothesis: H0: µ = 3 Alternative hypothesis:…
Q: A survey found that women's heights are normally distributed with mean 62.6 in. and standard…
A: a. Obtain the percentage of men meeting the height requirement. The percentage of men meeting…
Q: a. Find the percentage of women meeting the height requirement. Are many women being denied the…
A: Given, μ= 63.6 σ= 2.5
Q: The average hours of sleep on a weeknight was 6.9 hours with a standard deviation of 1.5 hours. What…
A: Given Let X : The average hours of sleep on a weeknight mean = μ= 6.9 standard deviation = σ= 1.5…
Q: Women's height are normally distributed with a mean of 63.7 inches and a standard deviation of 2.9.…
A:
Q: A survey found that women's heights are normally distributed with mean 63.4 in . and standard…
A: GivenWomen's heights are normally distributed withMean(μ)=63.4standard deviation(σ)=3.6Men's heights…
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: The heights of men aged 20 to 29 are normally distributed with a mean of 69.2 inches and a standard…
A: the PDF of normal distribution is = 1/σ * √2π * e ^ -(x-u)^2/ 2σ^2standard normal distribution is a…
Q: Women's height are normally distributed with a mean of 64.7 inches and a standard deviation of 3.1.…
A: Given that. X~N( μ , ?) μ=64.7 , ?=3.1 Z-score =( x - μ )/?
Step by step
Solved in 2 steps with 1 images
- when designing aircraft cabins, what ceiling height will alow 98% of men to stand without bumping their heads, Men's heights are normally distributed with a mean of 69.5 inches and a standard deviation of 2.4 inchesA survey found that women's heights are normally distributed with mean 63.8 in and standard deviation 2.4 in. A branch of the military requires women's heights to be between 58 in and 80 in. a. Find the percentage of women meeting the height requirement. Are many women being denied the opportunity to join this branch of the military because they are too short or too tall? b. If this branch of the military changes the height requirements so that all women are eligible except the shortest 1% and the tallest 2%, what are the new height requirements? Click to view page 1 of the table. Click to view page 2 of the table. a. The percentage of women who meet the height requirement is (Round to two decimal places as needed.) %. Are many women being denied the opportunity to join this branch of the military because they are too short or too tall? O A. Yes, because the percentage of women who meet the height requirement is fairly large. O B. No, because the percentage of women who meet the height…The heights of English men are normally distributed with a mean of 69.2 inches and a standard deviation of 4 inches. According to the empirical rule, what percentage of English men are Under 57.2 inches tall?
- The average age of cars on the road in the United States follows a normal distribution with a mean of 11.9 years and a standard deviation of 3.7 years. Approximately 10% of cars on the road will be over what age in years?In a certain country the heights of adult men are normally distributed with a mean of 68.8 inches and a standard deviation of 2.4 inches. The country's military requires that men have heights between 65 inches and 77 inches. Determine what percentage of this country's men are eligible for the military based on height.The average hours of sleep on a weeknight was 6.9 hours with a standard deviation of 1.5 hours. What is the proportion of men who sleep for less than 6 hours per night ?
- It appears that people who are mildly obese are less active than leaner people. One study looked at the average number of minutes per day that people spend standing or walking. Among mildly obese people, the mean number of minutes of daily activity (standing or walking) is approximately Normally distributed with 371 minutes and standard deviation 69 minutes. The mean number of minutes of daily activity for lean people is approximately Normally distributed with 526 minutes and standard deviation 106 minutes. A researcher records the minutes of activity for an SRS of 6 mildly obese people and an SRS of 6 lean people. (a) What is the probability that the mean number of minutes of daily activity of the 66mildly obese people exceeds 410 minutes? (Enter your answer rounded to four decimal places.) probability: (b) What is the probability that the mean number of minutes of daily activity of the 6 lean people exceeds 410 minutes? (Enter your answer rounded to four…A survey found that women's heights are normally distributed with mean 63.8 in and standard deviation 2.4 in. A branch of the military requires women's heights to be between 58 in and 80 in. a. Find the percentage of women meeting the height requirement. Are many women being denied the opportunity to join this branch of the military because they are too short or too tall? b. If this branch of the military changes the height requirements so that all women are eligible except the shortest 1% and the tallest 2%, what are the new height requirements? Click to view page 1 of the table. Click to view page 2 of the table. a. The percentage of women who meet the height requirement is %. (Round to two decimal places as needed.)Suppose that water usages in American showers are normally distributed, with an average shower using 16.4 gallons, and a standard deviation of 3.7 gallons. Estimate the percentage of showers that used between 9 and 23.8 gallons more than 27.5 gallons less than 12.7 gallons between 9 and 20.1 gallons
- A survey found that women's heights are normally distributed with mean 62.3 inches and standard deviation 2.2 inches. Most of the live characters employed at an amusement park have height requirements of at least 54 inches Find the percentage of women meeting the height requirement?The speed of cars on a specific road is normally distributed with a mean of 54 mph and a standard deviation of 3. The top 2.5% of cars are traveling at at least what mph?A survey found that women's heights are normally distributed with mean 63.6in and standard deviation 2.2 in. A branch of the military requires women's heights to be between 58 in and 80 in. a. Find the percentage of women meeting the height requirement. Are many women being denied the opportunity to join this branch of the military because they are too short or too tall? b. If this branch of the military changes the height requirements so that all women are eligible except the shortest 1% and the tallest 2%, what are the new height requirements? a. The percentage of women who meet the height requirement is nothing%. (Round to two decimal places as needed.)
