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A city has a professional basketball team playing at home and a professional hockey team playing away on the same night . A professional basketball team has a 0.641 probability of winning a home game and a professional hockey tem has 0.462 probability of winning an away game . Historically , when both teams play on the same night , the chance that the next morning's leading sports story will be about the basketball game is 60% and the chance that it will be about the hockey game is 40%.Suppose that on the morning after these games the newspaper's leading sports story begins with the headline " We Win...." What is the probability that the story is about the basketball team?
If the player does not win or lose on his second roll he continues to roll, using the same criteria given for the second roll.
A simple random sample of 36 bulbs yields a mean lifetime of 504 hours. Construct and interpret a 99% confidence interval for the mean lifetime of all such bulbs.
The mean construction time for a standard two-car garage by Arrowhead Construction Company is 3.5 days. The time for the construction process follows the normal distribution.
You are given the sample mean and the sample standard deviation. use this information to construct the 90% and 95% confidence intervals for the population mean.
Several samples of size 56 are randomly selected and means computed. What value would you expect to determine for standard deviation of all these sample means?
A mortar shell is s feet above the ground after t seconds, where s=f(t)= -16t + 510t +63. Find the height of the shell 15 seconds after it is fired.
Using your experience from previous or current employment, provide a business example where you could use a t-test to assist in a business decision. State the null and alternative hypothesis.
According to Advertising Age, average base salary for women working as copywriters in advertising firms is higher than average base salary for men. The average base salary for women is $67,000 and the average base salary for men is $65,500 (Workin..
Using the spreadsheet for exercises 1-3, estimate how the population will change from this generation to the next under each of the following conditions.
Two rainstorms occurred in one week in a certain area. The first storm lasted 25 hours, and the second storm lasted 35 hours, for a total 2050ml of rain.
A normal distribution with a mean of 68 years and a standard deviation of 3.5 years. What proportion of the plan recipients would receive payments beyond age 75?
Assuming the population standard deviation of the amount spent per owner is $12, construct and interpret a 95% confidence interval for the mean amount spent per owner for an obedience class.
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