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Suppose an unrelated 77 yr old man,76 yr old woman, and 82 yr old woman are selected frfrom a community..suppose we know one of the three people has alzheimers disease, but we don't know which one. What is the conditional probability that th affected person is a woman?
Show that it satisfies the required condition for being a probability distribution.
Can the president conclude that the average family income at his school is significantly different than the population mean family income of the reported university?
The world's smallest mammal is the bumblebee bat. Shown to the right are weights(in grams) from a sample of those bats. Use the traditional method and significance level of .05 to test the claim that these bats come from the same population having..
Assuming that numbers of crimes in 4-weekly periods are independent, what is the probability that there will be at least 17 in the last three of the next six 4-week periods? explain your answer
Test for significant differences among weight losses for the five diets, and perform all pair wise comparisons using:
Determine the estimated regression equation that can be used to predict the star rating given the point values for execution, ease of use, and range of offerings.
According to Chebyshev's Theorem, how many students scored between 57 and 93? Assume that the distribution is normal. Based on the Empirical Rule, how many students scored between 57 and 93?
Graph this equation put at last five points for the equation. Graph each inequality. use the test point method.
Parents collected a simple random sample of the times that 81 college students required to earn their bachelor's degrees. The sample has a mean of 4.8 years and a standard deviation of 2.2 years. Use a 0.05 significance level to test the claim tha..
During the past six months, 73.2% of US households purchased sugar. Assume that these expenditures are approximately normally distributed with a mean of $8.22 and a standard deviation of $1.10. 80% of the households spent more than what amount?
provide a numerical answer to each of the following questions and also show the calculations you used to find the
Using a three month moving average, what would the forecast and MAD have been for July? Which forecasting method would you recommend? Why?
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