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1. Sports Using the diameter>circumference data, find the best-predicted circumference of a marble with a diameter of 1.50 cm. How does the result compare to the actual circumference of 4.7 cm? Baseball Basketball Golf Soccer Tennis Ping-Pong Volleyball Softball Diameter 7.4 23.9 4.3 21.8 7.0 4.0 20.9 9.7 Circumference 23.2 75.1 13.5 68.5 22.0 12.6 65.7 30.5 Volume 212.2 7148.1 41.6 5424.6 179.6 33.5 4780.1 477.9
2. Tips Using the bill>tip data, find the best-predicted tip amount for a dinner bill of $100. What tipping rule does the regression equation suggest? Bill (dollars) 33.46 50.68 87.92 98.84 63.60 107.34 Tip (dollars) 5.50 5.00 8.08 17.00 12.00 16.00
3. Weighing Seals with a Camera Using the listed width>weight data, find the best-predicted weight of a seal if the overhead width measured from a photograph is 2 cm. Can the prediction be correct? If not, what is wrong? Overhead Width 7.2 7.4 9.8 9.4 8.8 8.4 Weight 116 154 245 202 200 191
Develop a probability tree showing all marginal, conditional, and joint probabilities and what is the probability that a student selected at random failed the test?
Can the inoculation be regarded as (effective against the disease at 5% level of significance - Find the expected value of the number of good components in this sample
Testing for Population mean - Based on this sample evidence, is Joan's supervisor correct? Use a = .05.
a. Write down the point estimate for µ along with its standard error. b. Write down the margin of error at 0.8 con?dence level. c. Write down the 80% con?dence interval estimation for µ based on this sample.
Five people who purchased a dining room table within the last month are selected at random. What is the probability that all five purchased matching chairs?
If a college administrator wants to test to show that there was no improvement, what are the null and alternative hypotheses?
This observed count was more than in any month in the previous five years. Do you think health officials should be concerned about this outbreak of whooping cough? Why or why not?
Test the hypothesis that smoking and lung cancer are independent. Use the 1 percent level of significance.
Use computer simulation to find the probability that the triangle OAB has an angle larger than 90° when A and B are randomly chosen points
A small independent physicians practice has three doctors. Dr. Sarabia sees 39% of the patients, Dr. Tran sees 27% and Dr.jackson sees the rest.
tasks are sent to a supercomputer at an average rate of 6 tasks per minute. their arrivals are modeled by a binomial
i. What is the response rate needed for MP Inc. to breakeven, assuming average promotional costs? ii. After the campaign has been launched response rates are 7%, and profit (excluding promotional costs) is at $60 per response. But you know that pr..
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