The heights of adult men in America are normally distributed, with a mean of 69.5 inches and a standarddeviation of 2.62 inches. The heights of adult women in America are also normally distributed, but with amean of 64.6 inches and a standard deviation of 2.54 inches.a) If a man is 6 feet 3 inches tall, what is his z-score (to two decimal places)?b) What percentage of men are SHORTER than 6 feet 3 inches? (Round your final answer to one decimal.)c) If a woman is 5 feet 11 inches tall, what is her z-score (to two decimal places)?d) What percentage of women are TALLER than 5 feet 11 inches? (Round your final answer to one decimal.)e) Who is relatively taller: a 6'3" American man or a 5'11" American woman?Select an answerSubmit QuestionC

Let X be the height of adult men Y be the height of adult women X~N(μx=69.5inch, σx=2.62 inch)…

Answered: The heights of adult men in America are…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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The heights of adult men in America are normally distributed, with a mean of 69.3 inches and a standard deviation of 2.63 inches. The heights of adult women in America are also normally distributed, but with a mean of 64.3 inches and a standard deviation of 2.54 inches. a. If a man is 6 feet 3 inches tall, what is his z-score (to 4 decimal places)? b. If a woman is 5 feet 11 inches tall, what is her z-score (to 4 decimal places)? Z = c. Who is relatively talle? O The 5 foot 11 inch American woman O The 6 foot 3 inch American man Submit Question
The heights of adult men in America are normally distributed, with a mean of 69.8 inches and a standard deviation of 2.61 inches. The heights of adult women in America are also normally distributed, but with a mean of 64.8 inches and a standard deviation of 2.58 inches. a) If a man is 6 feet 3 inches tall, what is his z-score (to two decimal places)? b) What percentage of men are SHORTER than 6 feet 3 inches? Round to nearest tenth of a percent. % c) If a woman is 5 feet 11 inches tall, what is her z-score (to two decimal places)? d) What percentage of women are TALLER than 5 feet 11 inches? Round to nearest tenth of a percent. %
The average annual rainfall in New York City follows a normal distribution with a mean of 49.9 inches and a standard deviation of 9.5 inches. On what percentage of years can we expect there to be between 40.4 and 59.4 inches of rain in New York City? (A) 100% B) 99.7% C) 95% D) 68%
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The Acme Company manufactures widgets. The distribution of widget weights is bell-shaped. The widget weights have a mean of 62 ounces and a standard deviation of 11 ounces. Use the Empirical Rule. Suggestion: sketch the distribution in order to answer these questions. a) 95% of the widget weights lie between and b) What percentage of the widget weights lie between 29 and 84 ounces? % c) What percentage of the widget weights lie below 73 ? %
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The weights for newborn babies is approx normally distributed with a mean of 6.1 pounds and a standard deviation of 1.8 pounds. use the cumulative Z-score table to answer the following questions. Write your answers rounded to the nearest whole number. consider a group of 1700 newborn babies: How many would you expect to weigh between 7.36 and 8.62 pounds? How many would you expect to weigh less than 3.76 pounds? How many would you expect to weight more than 5.65 pounds? How many would you expect to weight between 6.1 and 7 pounds?
A teacher has found that his class performed particularly well on a quiz when the material was related to pop culture (M= 77) compared with normal quiz performance (u= 69, 0 =20 ). What is the effect size for this effect? Select one: • a. 0.40 e b. 1.57 • c. 0.94 • d. -0.94 e e. All of the above
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