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The roulette wheel has 38 compartments, of which 18 are red, 18 are black, and two are green. As the wheel is spun, a small metal ball bounces around until it settles in one of the compart- ments. If you bet 1 dollar on red at roulette. Your dollar will be returned to you along with one more dollar if red comes up. otherwise you will lose that dollar.
(a) Write down the probability distribution table for your return.
(b) Find your expected return.
ample of fifteen 8 ounce Baby Ruth candy bars are weighed and it is found sample standard deviation is 0.6 ounces. Test company's claim at (alpha sign) is 0.05.
Given the following data from two independent samples, conduct a one-tailed hypothesis test to determine if the first sample mean is larger than the second sample mean, given a 0.05 level of significance.
the jones family had a total income of 73000 and paid 22 of their income to taxes. the brown family had a total income
1. thirty eight percent of young adults say they use credit cards because of the rewards program. seven young adults
Draw a normal probability plot for residuals using excel or Minitab. Do the residuals seem normally distributed? If yes, why?
a global financial institution transfers a large data file every evening from offices around the world to its london
question find the probability that in 200 tosses of a fair die we will obtain at least 40
scores on the sat mathematics test are believed to be normally distributed with mean micro. the scores of a random
Sally wanted to build a multiple regression model based on advertising expenditures and A coffee business price index. Based on the selection of all normal values she obtained the following:
Suppose 10 balls, numbered 1-10, are to be distributed randomly into 10 boxes. a) What is the probability all 10 balls are placed into one box? b) What is the probability that no boxes are empty?
Fnd the probability that the face showing up a six turns up between 10 and 30 times. Find the probability that the sum of the face values of the 100 trials is less than 250.
You listen to radio station for 1 hour, at arbitrarily selected time, and carefully observe that amount of advertising time is equal to 7 minutes. Compute z-score for this amount of advertising time.
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