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A deck of cards is shuffled, and you choose one at random, observe its colour, and replace it in the set. the cars are thoroughly reshuffled, and you again choose a card at random, observe its color, and replace it in the set. this process is repeated until you get a red card with x denoting the number of draws required. the random variable x has which of the following probability distributions?
A. the normal distribution, with mean 26 and varaince 13
B. the binomial distribution, with parameters n = 52 and p = 0.5
C. the binomial distribution, with parameters n = 26 and p = 0.5
D. none of the above
a real estate agency wants to compare the appraised value of single-family homes in two travis county communities. a
The probability that home sales will increase in the next 6 months is 0.25. The probability that the interest rates on loans will go up in the same period is estimated to be 0.74.
What is the chi-square goodness of a fit test? What is its purpose? What does it measure? Is there a way of telling when the test is over?
Mean and standard deviation are 584.6 and 34.28
A pharmaceutical company is testing the effectiveness of a new drug for lowering cholesterol. As part of this trial, they wish to determine whether there is a difference between the effectiveness for women and for men. At = .05, what is the test v..
a student encounters an animal embryo at the eight-cell stage. the four smaller cells that comprise one hemisphere of
Based on the results of the test, can the consumer group report in its next publication that the tires last less than 60,000 miles?
the manager of fyz incorporated has been presented with the following lp modelminimize z 30a 45b costsubject to5a 2b
For a simple random walkXnwith absorbing boundaries at 0 and 4, and step-up probabilityp= 2/3, assume that initially it is uniformly distributed on states 1, 2, 3.
peas are generated from parents having the greenyellow pair of genes so there is a .75 probability that an individual
Compute the mean of the sampling distribution? Compute the standard deviation of sampling distribution?
Construct a 95% confidence interval estimate of their mean weight.
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