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-Suppose that a fair dice is rolled once. Based on the theoretical probability the chance to obtain the number 1 is 1/6. Let us assume that I am going to do an experiment. I will roll a fair dice a million of times and I will write down the outcomes. After following the experiment what is the chance to obtain 1?
-If we flip a coin there are two possible outcomes (Head/Tail). The chance to obtain head is 50% and the chance to obtain tail is also 50%. Can you state some other examples where the possible outcomes are two with a 50% chance?
Generate survival times X from an exponential distribution with rate lambda=1 with a censoring distribution C being exponential with rate theta = 2/3. Then Plot Kaplan-Meier Survival curve estimates along with true survival curve for n=25,100,1000..
I need how to Get a sample with a size of 100, and find the sample mean and sample standard deviation of price.
A person claims to be able to predict the outcome of flipping a coin. This person is correct 16/25 times. Compute the 95% confidence interval on the proportion of times this person can predict coin flips correctly.
reginald brown an inspector from the department of weights and measures weights 15 eighteen ounce cereal boxes of corn
Here are histograms of Profits and Sales and histograms of the logarithms of Profits and Sales. Why are the re-expressed data better for regression?
Assume the first three rows of Table A.1 are a random sample of size 150 and test that each of the digits 0, 1, ... , 9 is equally frequent in the whole table
The city council of Pine Bluffs is considering increasing the number of police in an effort to reduce crime. Before making a final decision, the council
suppose a population proportion is .40 and 80 of the time when you draw a random sample from this population you get a
For each variable listed below, indicate the scale of measurement that the researcher has used:
The chapter provides an example of a gas station that tracks the sale of gasoline utilizing a uniform distribution that varies between 2,000 and 5,000 gallons.
Find the percentage of buyers who said their price range is between $150,000 and $153,300.
The average shaft size for the E300 electric motor is .55 inch, with a standard deviation of .10 inch. It is normally distributed. What is the probability that a shaft selected at random will be between .55 and .65 inch?
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