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 nj a random sample of 85 eighth grade students has a mean score of 282 with a standard deviation of 35 on a mathematical test. This test result prompts a state administrator to declare that the mean score for the sate's eighth graders on the examination is more than 275. at a=.04, is there enough evidence to support the claim.
What is the minimum sample size needed in order for you to be 95% confident that your estimate is within 5 of µ? Use the value 20 for the population standard deviation of scores on this subsection.
If gambler rolls two dice and gets sum of four, he wins $10; and if he gets sum of three, he wins $25. Cost to play game is $5. What is expectation of this game?
In a clinical study of an allergy drug, 115 of the 204 subjects reported experiencing significant relief from their symptoms. At the 0.01 significance level, test the claim that more than half of all those using the drug experience relief.
In a group of six professors selected at random, what is the expected number of extroverts? What is the standard deviation of the distribution?
A researcher has been measuring the time for pairs of 8 year olds who have just met each other to work together to solve a problem. Construct a distribution table for these data. include the colums and values for proportion and percentage.
Critically evaluate the article by examining the worthiness of the survey. In your discussion, cover the following items: purpose of survey, why was it conducted, for who was it conducted, and was it based on a probability or nonprobability sample..
We wish to estimate the population proportion. We want to be 95 percent confident of our results and we want the estimate to be with .01 of the population parameter. No estimate of the population proportion is available. What value should we use f..
Take a confidence interval for the difference in the average of renting between the first andthird hotel.
Find the expected value of the number of tests taken.
A randomized block design with 4 treatments and 5 blocks produced the following sum of squares values: SST = 1951, SSTR = 349, SSE = 188. The value of SSB must be:
Following data represent concentration of dissolved organic carbon (mg/L) collected from 20 samples of organic soil. Sample standard deviation is?
Which component of a time series is most likely to occur? Which component has a pattern that must be complete in a single year and repeat from year to year?
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