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stress score risk of heart attackhigher values more stress higher values greater
a federal report indicated that 27 of children ages 2 to 5 had a good diet an increase over previous years how large of
a researcher wishes to to be 95 confident that her estimate of the true proportion of individuals who travel overseas
a nutritionist found that in a sample of 80 families 25 indicated that they ate fruit 3 times a week find 90 confidence
a company estimated they need 20 light bulbs immediately for their manufacturing floor the distributor of the
a committee of 4 persons is to be formed from 7 men and 4 women what is the probability that the committee consists of
to find out how uniformly babies grow we measured the weights of random eight babies first at 11 months and then at 27
a conduct a test of hypothesis to determine whether the mean salary of the teams was different from 800 million use the
the level of triglycerides in blood is normally distributed with mean 202 mgdl and standard deviation 43 mgdl normal
there are 4 orange 1 green 3 blue and 2 black balls in a bag you take 5 balls with replacement randomly from the bag
a pharmaceutical company proposes a new drug treatment for alleviating symptoms of pms premenstrual syndrome in the
a 99 confidence interval is wider than a 95 confidence interval if the same data is used to construct both intervals is
3nbspfive university students were given an english achievement test before and after receiving instruction in basic
forget the question chegg helped me outhappiness during finals - happiness at beginning of the semesterduring
in general when dealing with inferences for two population proportions which two of the following are equivalent
assuming xi are independent rvs and we are given exi mu and varxi sigma squared how would we go about finding the
often the values 1 2 3 4 and 5 are assigned to categories such as strongly disagree disagree somewhat neutral agree
z-scores and six sigmas are a new concept this week and i am having a hard time understanding what i gather so far is
a survey sent out to 25000 surgeons has revealed that the prevalence of alcoholism within this particular medical
determine error bound of the proportion for the following problemmany high school students take the ap tests in
suppose that a family has five children consisting of two girls and three boys call the girls abigail and brianna call
what is the difference between standard normal distribution curve and normal distribution
what is a null hypothesis vs alternate hypothesis one tailed test vs two tailed test - how do we know when to use
suppose a researcher is testing the hypothesis upper h0 p0606 versus upper h 1h1 pgt06 and she finds the p-value to be
to test h0nbspmicronbsp 100 versus h1nbsp micro nenbsp 100nbspa simple random sample size ofnbspn2121nbspis obtained