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The average height of men in the USA is 70 inches (5'10") with a standard deviation of 3 inches. If heights are approximately normally distributed, what percent of the USA male population is between 64 and 74 inches tall (5'4" and 6'2")?
Statistics and Probability questions and answers. 1) Height (Average US male :69.7 inches, 2.8 inch standard deviation; Average US Female: 64.4 inches, 2.4 inch standard deviation) 2) Shoe Size (Average US male :10.5, 1.5 standard deviation; Average US Female: 8.75 (men's size), 1.25 standard deviation) 3) Ring Size (Average US male: Size 9, 1 ...
The average height of an adult male in the U.S.is 69.5 inches with a standard deviation of 2 inches. Question Answer a) sketch the normal curve below and fill in the standard deviation numbers and percentages for the scenario above.
Engineering. Computer Science. Computer Science questions and answers. The average male height in a certain country is 170 cm ( μ, the population mean). It is suspected that the men in a certain city in that country might have a different average height due to environmental factors. The following is a random sample of 9 men from the city: {176 ...
To find the standard deviation (σ) in part (a), use the relationship between the z -score and the probability given for the height. The average male height is 175 cm and about 30% of males are more than 182 cm tall. Assume that the heights follow the normal distribution. (a) Find the standard deviation. (2 Marks) (b)What are the chances of ...
Question: Using the Empirical Rule for the Normal Distribution as a guide, approximately what percentage of men have heights between 67.5 inches and 70.5 inches? Assume that the average male height is 69 inches with a standard deviation of 1.5 inches. O A. 55% B.6890 O C. 95% OD. 99% Assume that SAT math scores follow a normal distribution with ...
See Answer. Question: 6. A simple random sample of 18 male students at a university has an average height of 70 inches. The average height of men in the general population is 69 inches. Assume that male height is approximately normally distributed with o = 2.8 inches. Conduct a two-sided hypothesis test to determine whether the male students ...
Statistics and Probability questions and answers. In the United States the average height of a male is 70 inches with a standard deviation of 3 inches. Use the empirical rule to show the distribution of the population of heights for all men in the United States.
4. Stewart is 7 years old and is 3′ tall. His parents bring him to see you because they are concerned with their son's growth. They say he is shorter than both the males and females in his class and seems to have lower muscle strength and mass in comparison with his peers. You find that Stewart is approximately 22% shorter than the average ...
Average Male Height = 70 inches with s.d. of 4 inches. Man 1 s.d. shorter than average = 66 inches. Average Female Height = 65 inches with a s.d. of 3.5 inches. Female 1 s.d. shorter than average =61.5 #1 Calculate your Z score by using the info above that applies to you (I am 69 inches tall)