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IQ Scores use the following data, which show the result of 50 sixth-grade I.Q. scores. 80 89 92 95 97 100 102 106 110 120 81 89 93 95 98 100 103 108 113 120 87 90 94 97 99 100 103 108 114 122 88 91 94 97 100 100 103 108 114 128 89 92 94 97 100 101 104 109 119 135 Use this data to construct...
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It has been estimated that about 30% of frozen chicken contain enough salmonella bacteria to cause illness if improperly cooked. A consumer purchases 12 frozen chickens. What is the probability that the consumer will have more than 6 contaminated chickens
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Find the minimum size needed for a 95% confidence that margin of error is within 25% of theta(population standard deviation)
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chebychev's theroem i need it explained and how it works and all and maybe a few examples as well as the empirical rule.
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about 18% of the popluation is hopelessly romantic. if your people are randomly selected, what is the probalbity both are hopelessly romantic?
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about 18% of the population is hopelessly romantic. if your people are randomly selected, what is the probalbity both are hopelessly romantic? what is the probability that at least one person is hopelessly romantic?
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The isurvey available to determine a Democrat Presidential candidate is truly FUBAR. Get someone with a high school education in IT to fix your survey Site. LOL ! ! It has be very difficult attempting to learn reality within a liberal environment.
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need an intro and conclusion for a paper on: one research question and formulate a hypothesis which may be tested with linear regression analysis.
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Need help on essay
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e lifetime of a 2-volt non-rechargeable battery in constant use has a normal distribution with a mean of 516 hours and a standard deviation of 20 hours. You take a random sample of four 2-volt non-rechargeable batteries. What is the probability that their average lifetime would be less than 510...
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Sample Questions
- 1. A school administrator wonders if students whose first language is not English score differently on the math portion of the sat exam than students whose first language is English. The mean SAT math score of students whose first language is english is 516 on the basis of data obtained from the college board. A simple random sample of 20 students whose first language is not English result in a sample mean SAT math score of 522. SAT math score are normally distributed with a population standard deviation of 114. Why is it necessary for SAT math scores to be normally distributed to test the hypothesis?
- 2. What are the steps espoused by Applied Statistics in Business and Economics for formal hypothesis testing? Why is the sequence important?
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