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According to a recent poll 53 percent of Americans would vote for the incumbent president. If a random sample of 100 people results in 45 percent who would vote for the incumbent, test the claim that the actual percentage is 53 percent. Use a 0.10 significance level. (there are three correct choices in this question)
1.a fourth grade teacher gives homework every night in both mathematics and language arts. the time to complete the
Is X a random variable? Explain your answer.- Give the probability distribution of X.- Explain how you would calculate the mean of X, then calculate it.
Find the equation that expresses the total fee in terms of the number of hours the equipment is rented.
Generating a sampling distribution. Let us illustrate the idea of a sampling distribution in the case of a very small sample from a very small population.
psychologist believe that memory of pictures is superior to memory for words. to test this hypothesis the psychologist
Consider the cutting plane method. (a) Give an example where the generated sequence q(µk) is not monotonically nondecreasing. (b) Give an example where, at the kth iteration, the method finds an optimal dual solution µk but does not terminate becau..
a coin is tossed four times. show the sample space and find the probability of getting a simple event of three heads
The quality control manager wants to test the claim that the actual percentage that do not fail is different from the stated percentage. Find the value of the test statistic. Round your answer to two decimal places.
a. Find the probability distribution of X, the number of the three regions that have major forest fires in the next dry season. b. What is the probability that none of the areas will have a major forest fire? c. What is the probability that all of th..
in competitive shooting you can always adjust the sights to remove any bias in your aim. therefore the most important
1. How do we calculate the standard error of the mean? a. Sample standard deviation divided by square root of sample size b. Square root of sample variance
a manufacturer has designed a process to produce pipes that are 10 feet long. the distribution of the pipe length
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