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Suppose a cat has a litter of 8 kittens. Of those 8 kittens, 3 are black. Three kittens are selected at random without replacement.
a) What is the probability that all three kittens will be black?
b) What is the probability that at exactly one kitten will be black?
a drug is assumed to be e?ective with an unknown probability p. to estimate p the drug is given to n patients. it is
Assume that a simple random sample has been selected from a normally distributed population. Find the test statistic, P-value, critical value(s), and state the final conclusion.
Create the 90% confidence interval for difference in average damage amount for two kinds of SUVs. Interpret this interval.
the manager of a department store wants to determine what proportion of people who enter the store use the stores
What type of solution do you get for a quadratic equation where D
A standard deviation of 20. If the seller wishes to have adequate stock 95% of the time, how many of the games must she keep on hand.
What is the probability that he or she will be a problem gambler who does not play poker machines (rounded to 3 decimal places)?
A previously used drug treatment has a mean remission time of 12.5 weeks. Does the data indicate that the mean remission time using the new drug is different from 12.5 week at a level of significance of 0.01?
a new car that is a gas- and electric-powered hybrid has recently hit the market. the distance travelled on 1 gallon of
question 1 the average teachers salary in arizona is 42300 with standard deviation 5000. assuming a normal distribution
In May 1998, the New York Times carried an article by Adam Bryant describing a research project to relate two rather diverse phenomena: the performance of a Fortune 500 company, and the golf game of its CEO. Before we go further, you should read this..
birth weights in the us are normally distributed with a mean of 3420g and standard deviation 495g. what is the
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