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Assuming that chimps prone to heart disease have a mean and std. dev. of 217 and 35, what is the z-score of an unhealthy chimp in this distribution at the critical value of 235?
Processes Stochastic and Probability Theory III Assignment #5. Due Wednesday, June 3 1. Let Pij = e-i ij , i, j = 0, 1, . . . be the transition probabilities for a Markov chain Xn . j! We consider P
Find the regression equation for predicting MinWage using the variable year. What is the value of the Durbin-Watson statistic? Test for positive autocorrelation of the error terms using a 5% signifi
Rolls-Royce's service share will increase to 54% with a standard deviation of 2%. Assuming you believe the analyst's forecast, what is the probability that Rolls-Royce's service share will be higher
The following statistics were calculated from pairs of observations where X represents the independent variable and Y represents the dependent variable.
Test the claim that the housing market is so hot that there is no difference between selling prices and list prices. Use a .05 significance level.
If one NBA player is selected at random, find the probability that this player is either 7 feet tall or weighs over 200 pounds.
What proportion have diastolic blood pressures between 80 and 90? c. If someone has a diastolic blood pressure of 100, what percentile does this represent?
What is p-hat, the weighted average of the proportion? At the 0.05 level of significance, can we conclude that fathers and mothers are not equally likely to develop PTSD after stress?
Find the mean and standard deviation of the payout. Hint: Don't forget to include the cost of the ticket and its corresponding probability.
A random sample of 16 cars is selected. What is the probability that the sample mean will be between 39 and 48 minutes?
Determine the number of admissions for each. For this sample, X-bar = 19.8 and s2 = 25. Estimate the mean number of admissions per 24-hour period with a 95% confidence interval.
Suggest reasonable values for n and p (binomial) or mu (poisson) for your example. D) Calculate the mean and standard deviation of the distribution for your example.
A profit of $500 and all windows can be sold for a profit of $400. Formulate an LP model for this problem. sketch the feasible region. what is the optimal solution?
5 tons of magnesium in the least costly manner. a. Formulate an LP model for this problem. b. Sketch the feasible region for this problem. c. Find the optimal solution.
Many animals, including humans, tend to avoid direct eye contact. Compute the estimated Cohen's d to measure the size of the treatment effect.
What is the advantage of reducing process variation, thereby causing process control limits to be at a greater number of standard deviations from the mean?
lifetime participation rate in physical activity (active, Non-active) on each of the n-933 subjects. Discuss the possible ways to analyze the data. What sort of problems could one expect with your ana
Discussion points are as follows. Your task is to respond to two of the following questions. Speculate about the sorts of variables that might be "relevant".
Describe the circumstances under which you should use ANOVA instead of t tests, and explain why t tests are inappropriate in these circumstances.
Yet, among their middle-aged o?spring, a full 21% of the men were over that height. What is wrong with the conclusion from these data that being tall is bad for longevity?
Whirlwind will have no trouble selling all the fans it has in its inventory, and also Whirlwind is interested in making the most profit it could make. Set-up/solve the problem graphically.
How many business students must be selected to estimate the mean monthly earnings of business students at one college?
A large lecture theater has 250 seats, 22 of which can accomodate left-handed students. What is the approximate probability that all left-handed students in the class get an appropriate desk?
Estimate the percentage of members who use the treadmill at least 4 times a week? The estimate is desired to have a margin of error of 5% with a 95% level of confidence.