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Roulette and intuition
An American roulette wheel has 38 slots, of which 18 are red, 18 are black, and 2 are green (0 and 00). If you spin the wheel 38 times,
a) Intuitively, how many times would you expect the ball to wind up in a green slot?
b) Use the formula for expected value to verify your intuition.
Calculate a 3-month moving average forecast for months 4 through 9 also Compare the two forecasts by utilizing MAD. Which forecast appears to be more accurate.
Mr james just won 6 tickets for each of 2 consecutive Giants home football games. For the first game, Mrs James will not be able to attend so he has 5 extra tickets.
Use the t test to determine whether the slope of the regression model is significant at α = 0.05.
A hockey club has 7 forwards, 5 defensemen, and 3 goalies. Each can play only in his designated subgroup. A coach chooses a team of 3 forwards, 2 defense, and 1 goalie.
suppose that 3 of the 2 million high school students who take the sat each year receive special accommodations because
If only one bolt is chosen, determine the probability that it will be found defective for only 1 reason (that is. it is either too large or has poor workmanship, but not both.)
let x1 x2...xn be independent and no1 distributed. let sn x21...x2n. show that sn is a random variable x2-distributed
Create a 95% confidence interval for population mean. Is it sensible that population mean is 28 weeks? give explanation for your answer.
in the binomial probability distribution let the number of trials be n 3 and let the probability of success be p
at a large university it is known that 50 of the students live on campus. the director of student life is going to take
The first 16 samples were each chosen from 400 items, and the remaining 9 samples were each chosen from 300 items. Determine whether the employee's performance can be judged stable. Comment on the capability of the employee.
A rectangular field has to be formed with a given total fence length of P meter of fence material. Find the dimensions of the rectangle which will maximize the fenced area.
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