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Michael Jordan makes 80 percent of his free throws. What is the probability that he will make at least six of his next eight free-throw attempts?
Statistics and Probability, Statistics
An independent measures study with n = 6 in each sample, produces a sample mean difference of 4 points and a pooled variance of 12. What is the value for the t statistic?
Confidence 1.The daily sales of Burger Baby restaurants follow the normal distribution with a standard deviation of $4000. a. A sample is taken of 50 restaurants and the average sales were $40,000/day. What is the 99% co ...
A laboratory worker finds that the 3% of his blood samples test positive for the HIV virus. In a random sample of 70 blood tests, what is the mean number that test positive for the HIV virus? (Round your answer to 1 deci ...
Suppose a soccer team wins each of its games with probability 0.4, loses with probability 0.4, and ties with probability 0.2, with each game's outcome independent. Their season starts, and they play a game every day.Let ...
An independent-measures study has one sample with n = 10 and a second sample with n = 15 to compare two experimental treatments. What is the df value for the t statistic for this study?
When circuit boards used in the manufacture of compact disc players are tested, the long run percentage of defectives is 5%. Let X= the number of defective boards in random sample of size n=25, so X ~ Bin( 25, .05). a) ...
Suppose that 1% of the employees of a certain company use illegal drugs. This company performs random drug tests that return positive results 99% of the time if the person is a drug use. However, it also has a 2% false p ...
Toy wooden blocks are packaged in bags of 9. One bag contains 6 maple blocks and 3 birch blocks, while a second bag contains 5 maple blocks and 4 birch blocks. One block is drawn from the first bag and placed into the se ...
A fish tank in a pet store has 23 fish in it. 11 are orange and 12 are white. Determine the probability that if we select 4 fish from the tank, at least 2 will be white.
Calculating this answer for my Statistics class: A hockey team conceded 18 goals on average per season. What is the probability that the team concedes 10 goals? This was my answer and it was incorrect, so I want to know ...
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Why might a bank avoid the use of interest rate swaps, even when the institution is exposed to significant interest rate
Describe the difference between zero coupon bonds and coupon bonds. Under what conditions will a coupon bond sell at a p
Compute the present value of an annuity of $ 880 per year for 16 years, given a discount rate of 6 percent per annum. As
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Compute the present value of an annuity of $ 699 per year for 19 years, given a discount rate of 6 percent per annum. As