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A roulette wheel has 38 slots, numbered 0, 00, and 1 to 36. The slots 0 and 00 are colored green, 18 of the others are red, and 18 are black. The dealer spins the wheel and at the same time rolls a small ball along the wheel in the opposite direction. The wheel is carefully balanced so that the ball is equally likely to land in any slot when the wheel slows. Gamblers can bet on various combinations of numbers and colors.
(a) What is the probability that the ball will land in any one slot?
(b) If you bet on "red," you win if the ball lands in a red slot. What is the probability of winning?
(c) The slot numbers are laid out on a board on which gamblers place their bets. One column of numbers on the board contains all multiples of 3, that is, 3, 6, 9, . . . , 36. You place a "column bet" that wins if any of these numbers comes up. What is your probability of winning?
a left-tail area in the chi-square distribution equals 0.95. for df10 the table value
Refer to given Example and the data for the nitrogen content in a certain fertilizer mix. Ifit is desired that the proportion nonconforming be within 0.5% and the level of type I error be limited to 0.025, find the modified control limits for the ..
In a bumper test, three types of autos were deliberately crashed into a barrier at 5mph, and the resulting damage (in dollars) was estimated. Five test vehicles of each type were crashed, with the results shown below. Are mean crash damages the sa..
Possible combinations (1,4), (1,5), (1,6), (2,4), (2,5), (2,6), (3,4), (3,5), and (3,6) for a total of 9 possible combinations.
suppose that 3 of the 2 million high school students who take the sat each year receive special accommodations because
260 of them were manufactured by Asian automobile companies. Find the 95% confidence interval for this city's population proportion of vehicles made by Asian companies.
Use a P-value to test the claim about the population mean using the given sample statistics. State your decision for a=0.05. Claim: mean does not = 230
For the following statement, write the null hypothesis and the alternative hypothesis. Then, label the one that is the claim being made.
An unprepared student takes a three-question, true/false quiz in which he guesses the answers to all three questions, so each answer is equally likely to be correct or wrong.
Suppose an airline claims that its flights are consistently on time with an average delay of at most 15 minutes. It claims that the average delay is so consistent that the variance is no more than 150 minutes.
Describe and analyze your quantitative data and Briefly address the data analysis process.
Is the z value positive or negative? Explain why it should be positive or negative.
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