Mathematics, 17.10.2020 21:01 thebigman7993
Two shooters, Rodney and Philip, practice at a shooting range. They fire 100 rounds each at separate targets. The targets are marked with circles and each bullet hitting a particular circle gets them a particular number of points. 60 rounds are selected at random. The sample mean scores of Rodney and Philip are 8 and 10, respectively. And, their variances are 0.25 and 0.50, respectively The standard error of the difference between their mean scores is (Round your answer to two decimal places.) The 95% confidence interval for the difference between the mean scores Rodney and Philip is : (Enter a minus sign if your answer is negative. Round your answer to two decimal places.)
Answers: 1
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Due to bad planning, two of the local schools have their annual plays on the same weekend. while 457 people attend one, and 372 attend the other, only 104 people were able to attend both. how many people went to at least one play?
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