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Suppose you wish to test the claim that µ < 28.3. given a sample of n = 86 and a significance of 0.05, what criterion would you be used for rejecting the null hypothesis? Assume that the standard deviation of the population is know.
a) rejecting Ho if test statistic > -1.645
b) rejecting Ho if test statistic < -1.645
c) rejecting Ho if test statistic > -1.96
d) rejecting Ho if test statistic < 1.645
a group of students at a school take a history test. the distribution is normal with a mean of 25 and a standard
Random sample of 100 voters showed that 55 of those sampled will vote for her. Is it likely that her assertion is correct at the 0.05 level of significance?
Find the average weight in pounds of a type of bird of your choice. Use the rational exponent equation L = 2.43 * W^0.3326 to estimate the wingspan L in feet of the bird that weighs W pounds (Rockswold, 2006).
A medical school claims that more than 32% of its students plan to go into general practice. It is found that among a random sample of 130 students, 46 of them plan to go into general practice.
at a dog park 35 of dogs are purebred and the rest are mixed breeds. 40 of the dogs are aggressive. at the same time we
Find the mean, median, and range for each of the two data sets. b.Find the standard deviation using the rule of thumb for each of the data sets.
Provide the factorial notation for the following experimental design. Two independent variables:
comparison of paired and unpaired samples test.nbspnbspnbspnbspnbspnbspnbspnbspnbspnbsp a local voluntary organization
q1. consider an investment portfolio of 50000 in stock a and 50000 in stock b. the expected value of a is 9.5 and b is
q1. find the 95 confidence interval for the standard deviation of the diameter of oranges if a sample of 47 oranges
If the probability of getting caught copying someone else's exam is .1, find the probability of not getting caught in three attempts. Assume independence.
suppose that contamination particle size in micrometers can be modeled as fx 2x-3 for 1 gt x and fx 0for x lt 1.a
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