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!
1. BMI in children is approximately normally distributed with a mean of 24.5 and a standard deviation of 6.2
a) A BMI between 25 and 30 is considered overweight. What proportion of children are overweight?b) A BMI of 30 or more is considered obese. What proportion of children are obese?c) In a random sample of 10 children, what is the probability that their mean BMI exceeds 25?
We want to estimate the population mean within 5, with a 99% confidence level. The population std dev is estimated to be 15. How large is the required sample size?
Find an equation of the least squares regression line. Please show your work. Is there a linear correlation between "x" and "y" at the 0.01 significance level? Please justify your answer.
It is estimated that the probability that the general population will live past their 85th birthday is 5.4%. Use the standard normal distribution to approximate this Binomial problem and answer the following questions.
Describe the distribution of the x-bars that you see in part b (shape of distribution, center, and the amount of dispersion).
Research question : At α = . 05, is cockpit noise level independent of flight phase?
The standard deviations s1 and s2 can be used when Ó1 and Ó2 are unknown and you believe that the underlying distribution is normal. Then, you would use s1 and s2 with the t-test for hypothesis testing.
Use this information to compute a 95% confidence interval for average number of credit cards carried by students.
A study of the amount of time it takes a mechanic to rebuild the transmission for a 1992 Chevrolet Cavalier shows that the mean is 8.4 hours and the standard deviation is 1.8 hours.
Write the null and alternative hypotheses. Identify which is the claim. A light bulb manufacturer claims that the mean life of a certain type of light bulb is less than 775 hours.
Test the mean cholesterol content in the egg is greater than 2.5 percent
From time to time, one branch office of a company must make shipments to a certain branch office in another state. There are three package delivery services between the two cities where the branch offices are located.
A mean score on a standardized test is 50 with a standard deviation of 10. Answer the following
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