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Suppose IQ score were obtained from a randomnly selected siblings.For such 20 pairs of people the linear corelation is 0.907 and the equation of regression line is y= 3.92+0.95x ,where x represents the iq score of the younger child.Also ,the 20 x values have a mean if 99.85 and the 20 y values have a mean of 99.25.What is the best predicted IQ of the older child,given that the younger child has an IQ of 104?Use a significance level of 0.05.
let the number of trials be n = 3, and let the probability of success be p = 0.0228. Use a calculator to compare:
a farmer loses 60000 when the summer is too dry and makes 100000 when the growing season is moderate. the probability
What is meant by a probability distribution? Discuss how you could use one of the text probability distribution at your workplace to help solve a business problem.
suppose your right knee is sore 15 of the time and your left knee is sore 10 of the time. what is the largest possible
Why is sampling strategy important? Please provide one or two examples from your work or past experience?
the population of completion times is 10.4 minutes, what is the minimum sample size needed for the managers to be 95% confident that their estimate is within 2.2 minutes of u?
List 1 profession example for each probability type: empirical probability and theoretical (classical) probability. Explain clearly how these probabilities are used.
you play two games against the same opponent. the probability that you win the first game is 0.4. if you win the first
Six vitamin and three sugar tablets identical in appearance are in a box. One tablet is taken at random and given to Person A. What is the probability that Person A was given a vitamin tablet?
1) Twenty-five factory workers were asked how many vacation days they take a year. The average of the sample was 22.85 days, and the standard deviation was 5.80 days. In the past HR uses an average of 25 vacation days per worker in order to ..
a manufacturer of plumbing fixtures has developed a new type of washerless faucet. let p p a randomly selected faucet
Determine if there is reason to reject the claim made by Winston Tire Company and conclude that tires last for less than 40,000 miles.
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