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!
In 2015, a survey of women from Country X found that 56 percent are married.
(a) If we randomly select three women from Country X, what is the probability that the third woman is the only one of the three that is married? (Give each answer to the nearest tenth of a percent.)
%
(b) What is the probability that all three randomly selected women are married? (Give each answer to the nearest tenth of a percent.)
In a survey of 601 males ages? 18-64, 392 say they have gone to the dentist in the past year. Construct? 90% and? 95% confidence intervals for the population proportion. Interpret the results and compare the widths of the confidence intervals. If? co..
The owner of a fish market has an assistant who has determined that the weights of catfish are normally distributed, with mean of 3.2 pounds and standard deviation of 0.8 pound. What percentage of samples of 4 fish will have sample means between 3.0 ..
Find the 96th percentile of the distribution of reaction time (at least approximately). That is, find the value such that about 96% of the distribution is below this point - Find the probability the reaction time is 500 or less.
The length of human pregnancies from conception
A screening test for a newly discovered disease is being evaluated. In order to determine the effectiveness of the new test, it was administered to 900 workers; 150 of the individuals diagnosed with the disease tested positive.
A product is made up of two subsystems in parallel. Subsystem one consists of ten elements in series with a failure rate if 1/100. The second subsystem consists of 5 elements in series with a failure rate of 1/200. What is the overall reliabili..
A recent study reported that the prevalence of hyperlipidemia (defines as total cholesterol over 200) is 30 % in children 2 to 6 years old of age. If 12 children are analyzed. a) What is the probability that at least 3 are hyperlipidemia? b) What is ..
Suppose you estimate the mean length of all popular songs to be 182 seconds. Then, you use a random sample of 40 songs from your iPod to construct a confidence interval. The confidence interval you construct is (182.2, 226.2). What can you conclude a..
1. For a population with m = 50 and a standard deviation of s = 10,
Use a table of areas for the standard normal curve to find the required z-score. Find the z-score for having area 0.45 to its right under the standard normal curve, that is, find z0.45. 0.3264 -0.13 0.6736 0.13
Suppose we choose independently two numbers at random from the interval [0, 1] with uniform probability density. What is the density of their sum?Let X and Y be random variables describing our choices and Z = X + Y
if you were constructing a 99% confidence interval of the population mean based on a sample of n= 20 where the standard deviation of the sample s= 0.05 the critical value of t will be
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