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Probabilty of rain is .30. Probabilty of game being cancelled, given it raining, is .50. Whats the probability of rain and a cancellation?
Translate the following arguments into symbolic form.- If women are by nature either passive or uncompetitive, then it is not the case that there are lawyers who are women.
a hypothesis test for a population proportion p is given below ho p 0.25 vs. ha p ne 0.25 ne means not equal for
When a researcher has two samples with two means, one of the assumptions for two samples is independence of between the two samples. What does this mean? What happens if the independence assumption is violated?
To find the minimum or maximum of a function that is not constrained, that is, there are no restrictions on range of the function, you take the derivative of the function, set it equal to zero, and solve for the variable. The intuition is that th..
Find the expected frequency to test the claim that walking and low, moderate, and high blood pressure are not related. Round to the nearest tenth if necessary.
a what percentage of speeds was above 60 milesh or below 20 milesh?b describe in detail the shape center find the
Top management earn between $50,000 and $100,000 per year. A histogram of all salaries would have which of the following shapes?
an independent-measures research study uses two samples each with n 12 participants. if the data produce a t statistic
Calculate the mean, median ,mode and standard deviation.What do these statistics suggest about the shape of the distribution?
a skeptical paranormal researcher claims that the porportion of americans that have seen a ufo p is less than 4 in
Find a 95% confidence interval for the true mean amount that citizens spend per year. What do you think the lowest possible mean amount spent per year is? Why?
The sample mean has been calculated as 240.0. Construct and interpret the 90% and 95% confidence intervals for the population mean.
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