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Question: Are the following two events equally likely? Event 1 consists of drawing an ace and a king when you draw two cards from among the thirteen spades in a deck of cards and event 2 consists of drawing an ace and a king when you draw two cards from the whole deck.
1. the response to a question has three alternatives a b and c. a sample of 120 responses provides 60 a 24 b and 36 c.
Specify what an individual unit is in each of the following studies. Then specify what two variables were measured on each unit.
if r -0.665 and n 6 test the significance of the correlation coefficient at a .05 reject p 0 because 2.68gt 2.57do not
When a person defaults on a loan, which type of error did the bank make?- Which kind of error is it when the bank misses an opportunity to make a loan to someone who would have repaid it?
an airline reports that it has been experiencing a 17 rate of noshow on advanced reservations. among 150 advanced
altitude and temperature listed below are altitudes thousands of feet and outside air temperatures degrees fahrenheit
consider the experiment of tossing two dice. let y denote the absolute dierence of the upturned faces. i.e. if x is the
let u be a uniform 0 1 random variable. suppose that n trials are to be performed and that conditional on u u these
In the last municipal election, a sample of 350 registered voters showed that 85 voted for the incumbants. Find out a 98% confidence interval estimate for the proportion of all voters voting for the incumbants.
Obtain a test statistic and p -value assuming equal variances. Interpret these results.
A researcher believes that if she uses a different text the students will score differently on the standardized test but she doesn't know what the difference is.
Suppose that in a hypothesis test with null hypothesis = 13.0 at 0.05, that a value of 11.0 for the sample mean results in the null hypothesis not being rejected.
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