The heights of adult men in America are normally distributed, with a mean of 69.1 inches and a standarddeviation of 2.63 inches. The heights of adult women in America are also normally distributed, but with amean of 64.8 inches and a standard deviation of 2.56 inches.a) If a man is 6 feet 3 inches tall, what is his z-score (to two decimal places)?→Ifb) If a woman is 5 feet 11 inches tall, what is her z-score (to two decimal places)?escwwwc) Who is relatively taller?The 6 foot 3 inch American manO The 5 foot 11 inch American womanSubmit QuestionO Type here to searchf1?Qf262Wf3#*3f4E$O4f5%R5Lf6Thp617Ca&fg7Y

Given that. X~N( μ , ?^2 ) Z-score =( x - μ )/?

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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If the mean speed for a major league fast ball is 90 miles per hour and the standard deviation is 5 miles per hour, what would the standardized score be for a pitch that is 97 miles per hour? O 0.4 4.0 1.4 O 1.0
The distribution of heights of adult American men is approximately normal with a mean of 69 inches and a standard deviation of 2.5 inches. a. What percent of these men are at least 71.5 inches tall? b. What percent of these men are between 64 and 74 inches tall?
Use z scores to compare the given values. The tallest living man at one time had a height of 238 cm. The shortest living man at that time had a height of 142.4 cm. Heights of men at that time had a mean of 175.45 cm and a standard deviation of 5.59 cm. Which of these two men had the height that was more extreme? ... Since the z score for the tallest man is z = 0 and the z score for the shortest man is z = the man had the height that was Im- more extreme. (Round to two decimal places.) shortest tallest
The histogram (click the attacthed photo to view) shows the distribution of hurricanes that have hit a country from 1851 through 2015, where 1 is the weakest level and 5 is the strongest level. A) The mean is? B) The variance is? C)The standard deviation is?
Suppose the exam average in a class is 82% with a standard deviation of 6. What proportion of students scored below 88%? Round to two places.
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 community college Math instructor feels that the average age of community college students decreased since they started teaching 25 years ago. Looking up data from the year the instructor started teaching, the mean age of community college students was 24.3 years old, with a population standard deviation of 2.2 years. The Math instructor took a sample of 40 of their current community college students and found that the sample had a mean age of 23.7 years old. Assume the population of ages of community college students is normally distributed and that the population standard deviation has remained the same. Test at the 5% significance level if the mean age of community college students is now less than 24.3 years old. The question is attached.

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