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What the values from the boundaries of the critical region for a two-tailed test using a sample size of n=9 scores and an alpha level of 0.05? a) t=+/- 1.8690 b) t=+/- 1.833 c) t=+/- 2.306 d) t=+/- 2.262
Statistics and Probability, Statistics
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We polled a sample of 900 random people on whether they thought a candidate for a high government position deserves to be nominated. We found that 405 of the 900 people (or 45%) believe the candidate should not be nomina ...
Two candidates face each other in an election. The Democratic candidate is supported by 58% of the population, and the Republican candidate is supported by 42%. In other words, if you randomly chose a voter and asked the ...
Zero-coupon bonds with a par value of $1,000,000 have a maturity of 10 years and a required rate of return of 9 percent. What is the current price?
Suppose the timing device used in the men's race failed to activate at the start of the race and instead began to record the times seconds into the race. Consider how the competitors' times would be affected. Would the s ...
The Gallup Poll once asked a random sample of 100 adults. " Do you happen to jog?" Suppose 50 of these adults answered 'Yes,I jog" Based on this sample what is the estimated probability that 40% or less of all adults jog ...
In a panel discussion with 3 industry reps, 2 government reps, and 1 association rep, how many ways can they be seated along a row a) with no restrictions (each person can sit anywhere)? b) if the 3 industry reps must si ...
An oil company determines it costs $25,000 to sink a test well, an oil hit yields a net revenue of $475,000($500,000 gross-$25,000costs), and a natural gas hit yields $125,000 net revenue ($150,000 gross-$25,000 costs). ...
Suppose that A, B and C are events in a sample space S, such that: A and B are equally likely; C is four times as likely as B; B and C are independent; if either B or C occurs, then A cannot occur; at least one of A, B o ...
Using a telephone survey of 400 randomly selected registered voters, he solicits both their party identification and whether or not they had read the newspaper that day. The results are displayed in the following cross-t ...
What is the annual coupon rate of a 7-year corporate bond given that its current price is $930, par = 1,000, semi-annual coupon, YTM=10%?
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