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Question: 1. A distribution is given as X ~ U (0, 20). What is P(2
2. The total duration of baseball games in the major league in the 2011 season is uniformly distributed between 447 hours and 521 hours inclusive.
a. Find a and b and describe what they represent.
b. Write the distribution.
c. Find the mean and the standard deviation.
d. What is the probability that the duration of games for a team for the 2011 season is between 480 and 500 hours?
e. What is the 65th percentile for the duration of games for a team for the 2011 season?
1. a researcher sends a questionnaire to 6000 individuals. she gets back 5000 responses. the percentage of women among
Suppose a small bicycle manufacturer makes cheap bikes that sell for 180$ each. The total cost of producing x bikes (in $) is given by c(x)=6000+240x-0.8x^2, where x is up to 200 bikes.
Based on this, compute a 99% confidence interval for the proportion of all letters mailed in the United States that were delivered the day after they were mailed.
What is the? 95% confidence interval for the? estimate?
The average avoidable cost for a fringe firm is AAC(q) = 20/q + 5q. The marginal cost function for a fringe firm is MC = 10q. There are 10 fringe firms. The marginal cost of the dominant firm is 2 and the demand function is Q = 100 - P.
examine the regression 90 confidence interval 90 prediction interval using 1990 and 2004 energy use kg oil equivalent
What is the probability that a shopper will spend more than 25 minutes in a store? If 200 shoppers enter a store, how many shoppers would you expect to stay in the store for more than 25 minutes?
The profit for product 1 is $6 per unit, and the profit for product 2 is $4 per unit a. Formulate a linear programming model for this problem. b. Solve the model by using graphical analysis.
To forecast future cigarette sales, the last four years' quarterly sales were recorded in the Excel file Tute10-Q1.xls. Calculate the 3-quarter and 5-quarter moving averages. Show the relevant graphs. Interpret the results. Compute MAD and SSE for ea..
Probability using Pareto chart - Evaluate the probability of randomly selecting an adult from the sample who doesn't always eat healthy foods because he or she has no time to cook or is confused about nutrition.
in a biomedical research activity it was determined that the survival time in weeks of an animal when subjected to a
Suppose that there are 40 students in a statistics class and their blood type follows the percentage distribution given in Exercise. (a) If we randomly select two students from this class, what is the probability that both will have the same..
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