Assume that the number of days from conception to birth is normally distributed with amean of 271 days and a standard deviation of 4 days. We want to calculate percentage of pregnancies lastmore than 34 weeks (238 days). What would be the z-score associated with 34weeks (238 days)?-8.2O 127.2O 8.2O -16.5O 254.5

Given that Mean = 271, SD = 4 X = 238

Answered: Assume that the number of days from…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

See similar textbooks

Similar questions

Suppose the exam average in a class is 55% with a standard deviation of 4. What proportion of students scored above 57%? Round to two places.
Assume that the mean amount of coffee dispensed is 6 ounces and a standard deviation is 0.5 ounce use the empirical rule. What percent of cups should have at least 6 ounces and what percent of cups should have less then 4.5 ounces of coffee?
The total annual precipitation for a region is approximately normallydistributed with a mean of 1050 mm and a standard deviation of 400 mm. What isthe probability of an annual precipitation greater than 1050 mm but less than 1300? Answer = 19.5
Are Older men Shorter than younger men? According to a national mean report the theight arus men IS 69.4 Inches. In a sample Between ages 60 and 300 men 69 The mean theight was I 68.7 Inches. Public Health Officials Want to determine whether the mean theight 14 108 For alder men is less than the mean Height All adult men of population standard deviation is Use a=0.65 level of 3.42 Signifigance, and the pratue
Scores on the GRE (Graduate Record Examination) are normally distributed with a mean of 570 and a standard deviation of 94. Use the 68-95-99.7 Rule to find the percentage of people taking the test who score between 476 and 570. The percentage of people taking the test who score between 476 and 570 is %.
IQs are normally distributed with a mean of 100 and a standard deviation of 15. Determine the percentage of IQ scores between 85 and 100, to the nearest whole number.
Suppose that the antenna lengths of woodlice are approximately normally distributed with a mean of 0.22 inches and a standard deviation of 0.05 inches. What proportion of woodlice have antenna lengths that are more than 0.18 inches? Round your answer to at least four decimal places.
In Math 150 class the points of the final exam are normally distributedWith a mean of 72 and standard deviation of 10. The top 15% will receive an A gradeFind the lowest score in the final exam that would qualify a student for an A grade.
The heights of children ages 3-5 are approximately normally distributed with a mean of 40 inches and a standard deviation of 2.5 inches. What percent of children are between 39 and 42 inches?
JA researcher takes an SRS of 80 people who go golfing.The average to be u52 years old. It was also determined that the standard deviation of cac ot golfers was la What is the probability that the sample mean is kss. than 47 years old? age of all golferswas determined years.
Assume that the average time to run a marathon in the population is 278 minutes with a standard deviation of 63 minutes. Use this information to answer the question In the population, what raw running time is 2.5 standard deviations below the mean? What is the percentile of this time?
the height of American men is normally distributed with a mean of 70 in and a standard deviation of 3 in. what are the heights in inches that define the most extreme 8% of the population of American men?

SEE MORE QUESTIONS

Recommended textbooks for you

MATLAB: An Introduction with Applications

Statistics

ISBN:

9781119256830

Author:

Amos Gilat

Publisher:

John Wiley & Sons Inc

Probability and Statistics for Engineering and th…

Statistics

ISBN:

9781305251809

Author:

Jay L. Devore

Publisher:

Cengage Learning

Statistics for The Behavioral Sciences (MindTap C…

Statistics

ISBN:

9781305504912

Author:

Frederick J Gravetter, Larry B. Wallnau

Publisher:

Cengage Learning

MATLAB: An Introduction with Applications

Statistics

ISBN:

9781119256830

Author:

Amos Gilat

Publisher:

John Wiley & Sons Inc

Probability and Statistics for Engineering and th…

Statistics

ISBN:

9781305251809

Author:

Jay L. Devore

Publisher:

Cengage Learning

Statistics for The Behavioral Sciences (MindTap C…

Statistics

ISBN:

9781305504912

Author:

Frederick J Gravetter, Larry B. Wallnau

Publisher:

Cengage Learning

Elementary Statistics: Picturing the World (7th E…

Statistics

ISBN:

9780134683416

Author:

Ron Larson, Betsy Farber

Publisher:

PEARSON

The Basic Practice of Statistics

Statistics

ISBN:

9781319042578

Author:

David S. Moore, William I. Notz, Michael A. Fligner

Publisher:

W. H. Freeman

Introduction to the Practice of Statistics

Statistics

ISBN:

9781319013387

Author:

David S. Moore, George P. McCabe, Bruce A. Craig

Publisher:

W. H. Freeman

SEE MORE TEXTBOOKS