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1. The events A and B are mutually exclusive. Suppose P(A) = .30 and P(B) = .20. What is the probability of either A or B occurring? What is the probability that neither A nor B will happen?
Assume that 5% of men and only .25% of women are colorblind. A colorblind person is chosen at random:
question 1 consider the following four data sets of 4 observations eachset 1 1010 1011 1012 1013set 2 11 10 9 8 set 3 5
Find a 98% confidence interval for the true mean. Assume that the account balances are normally distributed.
An order for 5 pizzas has just been place. What is the minimum number of pizzas that must be made in order to be at least 99% sure that there will be 5 that are edible?
given the following data setx 1 3 7 9 13 15y 1 5 8 10 11 13a. find the correlation coefficient.b. using this to predict
three identical opaque urns each contain four marbles of identical size and weight. one urn contains 3 black marbles
The F-test cannot be used to answer whether or not there is a significant difference between the means.
on thursday june 13 1996 then arizona governor fife symington was indicted on 23 counts of fraud and extortion. just
Card holders should be sampled to meet the original requirements of the sample. Then explain the trade-offs that will occur when you lower the sample to $10,000 to meet their budget.
construct a 95% confidence interval for the weekly average expenditure on fast food for adults 24 years of age and under. Assume fast food weekly expenditures are normally distributed.
A human society claims that less than 36% of US. households own a dog. In random sample of 397 U. S. households, 151 say they own a dog. At mean=0.03, is there enough evidence to support the society's claim?
name two ways to increase the statistical power of an experiment. explain how each increases the probability of
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