Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
Answer these three questions and show all your work and use the z-table that is in the back of all statistic book
1) Suppose you know that adult female height is normally distributed and the mean is 65 inches with a std dev of 1.2 inches.
What is the z value for a person who is 67 inches? what is the z value for a person who is 63 inches? Which one is "farther" from the mean and why?
2) Is the z value the same as the number of standard deviation from the mean? Explain and give an example.
3) Suppose you know that adult female height is normally distributed and the mean is 65 inches with a std dev of 1.2 inches.
What is the probability that a single random female is BETWEEN 64.5 and 65.5 inches?
What is the probability that a random sample of 100 females are BETWEEN 64.5 and 65.5 inches?
1. at one point during a fatigue test the rate of crack growth is measured as 0.57mmcycle. if the constants are known
A frequency distribution was developed. The lower endpoint of the first class is 9.30, and the midpoint is 9.35. what is the upper endpoint of this class?
If two of totes don't conform to purity requirements, determine the probability that at least one of nonconforming totes is selected in sample?
Draw a box-and-whisker plot for the data set. Find the variance and the standard deviation. please help me as soon as possible please!!! thank you
The riskless return is currently 6%, and Chicago Gear has estimated the contingent returns given here. Calculate the expected returns on the stock market and on Chicago Gear stock. What is Chicago Gear's beta?
raw materials are studied for contamination. suppose that the number of particles of contamination per pound of
Finds the average life time for this sample is 970 hour and the standard deviation is 80 hours. Can the firm claim that the average life time is 1000 hours at the 5% level of significance?
One definition of a low-mileage car is one that is 4 years old and has been driven less than 45,000 miles. What percent of the cars returned are considered low-mileage?
For a particular population, a sample of n = 9 scores has a standard error of 4. For the same population, a sample of n = 16 scores would have a standard error of ??
To test the hypothesis that the median weight of 16-year-old females from Los Angeles is at least 110 pounds, a random sample of 200 such females was chosen. If 120 females weighed less than 110 pounds, does this discredit the hypothesis? U..
1.i plan an experiment to test the latest conflicting diet programs. the factor for diet will involve three different
the milton area chamber of commerce wanted to know whether the mean weekly salary of nurses was larger than that of
Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!
whatsapp: +1-415-670-9521
Phone: +1-415-670-9521
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd