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A national survey found that 17% Of Australians consume milk with their breakfast. However, in Victoria, a large milk producer believes that more than 17% of Victorians consume milk with their breakfast. To test this idea, a marketing organisation randomly selected 550 Victorians and asked if they consume milk with their breakfast. It was found that 115 did. Using a 0.05 level of significance, test the idea that more than 17% of Victorians consume milk with their breakfast.
the following data were collected in an experiment designed to investigate the impact of different positions of the
If all 3 eggs are good, the crate is shipped, otherwise it is rejected. what is the probability that a crate will be shipped if it contains 120 eggs, ofwhich 10 have blood clots?
a researcher is interested in estimating the mean length of walleye in a lake with a 95 confidence interval. assuming
A beverage company is trying to ?nd out the distribution of the breaking strength of their glass bottles. Fifty bottles are selected at random and tested for breaking strength, with the following results (in pounds per square inch):
How many 3-level Latin Squares are possible? {A "different" Latin Square in this case is one that does not have the same exact set of 9 treatment combinations as another set of 9.} Provide proof (or, at least "support") for your answer.
What is the best first glance prediction you can give the customer about the value of his house given your 2 variable linear regression analysis?
11% needed to be serviced once, 5% twice, 4% three times, and none required more than three repairs. what are the expected no of repairs per year.
a hypothesis test produces a t statistic of t 2.20. if the researcher is using a two-tailed test with a .05 how large
The quality control inspector of a production plant will reject a batch of syringes if two or more defective syringes are found in a random sample of 8 syringes taken from the batch. Suppose the batch contains 1% defective syringes.
If the observed value is 4, the expected value is 5, and the standard error is 4, then the test value used for the z test is equal to
What is the probability that the mean breaking strength of the 3 untreated specimens is at least 25 pounds greater than the mean strength of the 3 treated specimens?
a box contains six tickets labeled with the numbers 1 4 8 15 15 15. the normal approximation to the chance that the sum
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