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Organizers of a fishing tournament believe that the lake holds a sizable population of largemouth bass. They assume that the weights of these fish have a model that is skewed to the right with a mean of 3.5 pounds and a standard deviation of 2.2 pounds.
a) Explain why a skewed model makes sense here.
b) Explain why you cannot determine the probability that a largemouth bass randomly selected ( caught ) from the lake weighs over 3 pounds.
c) Each fisherman in the contest catches 5 fish each day. Can you determine the probability that someone s catch averages over 3 pounds? Explain.
d) The 12 fishermen competing each caught the limit of 5 fish. What's the probability that the total catch of 60 fish averaged more than 3 pounds?
A researcher conductued a study of the access speed of 35 hard drives and concluded that his maximum error of estimate was 35. If he were to conduct a second study to reduce the maximum error of estimate to 7, about how many hard drives should he ..
Determine a 95% confidence interval for the difference in the mean reductions in blood pressure, assuming that the measurements are normally distributed with equal variances.
Translate the following statements into symbolic form using capital letters to represent affirmative English statements.- A necessary condition for a successful business venture is good planning.
First, write out the expres- sion for the exact determination of the cut-off point, and secondly, use the CLT for its numerical determination.
Let {N(t),t > 0} be a counting process such that N(0) = 0. When the process is in state J, the next state visited will be j + 1, for all j ≥ 0. Moreover, the time τj that the process spends in state j has the following probability density function
Given your answer in part (a), which of these two alternative headlines do you think would be preferable: "Breast-feeding leads to better school performance" or "Link found between breast-feeding and school performance"? Explain.
Which of the following is the correct interpretation for the regression coefficient of Age? The regression coefficient is not significantly different from zero.
age at onset of dementia was determined for a sample of adults between the ages of 60 and 75. for 15 subjects m 67.2
a researcher is performing a two-way anova using two factors. the first factor has 5 levels and the second factor has 6
Pretend you are in charge of a packaging equipment company that is filling boxes of cereal. From past experience we know the population's mean weight of the filled boxes is 300 grams (and we know the distribution of grams is approximately normal).
what is the value for x2left for a 95 confidence interval when n 18?a. 7.564b. 8.672c. 9.390d.
Write the least squares prediction equation for y.- Give the null hypothesis for testing overall model adequacy.- Conduct the test, part b, at α = .01 and give the appropriate conclusion.
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