Mathematics, 17.04.2020 01:23 chancler
A random sample of 12 college graduates revealed that they worked an average of 5.5 years on the job before being promoted. The sample standard deviation was 1.1 years. Using the 95% level of confidence, what is the confidence interval for the population mean?
Answers: 3
Mathematics, 21.06.2019 21:50, destinyharris8502
Which is the graph of this function 3 square root of x plus one if
Answers: 1
Mathematics, 21.06.2019 23:30, abell23000
Afriend of mine is giving a dinner party. his current wine supply includes 10 bottles of zinfandel, 8 of merlot, and 11 of cabernet (he only drinks red wine), all from different wineries. (a) if he wants to serve 3 bottles of zinfandel and serving order is important, how many ways are there to do this? ways (b) if 6 bottles of wine are to be randomly selected from the 29 for serving, how many ways are there to do this? ways (c) if 6 bottles are randomly selected, how many ways are there to obtain two bottles of each variety? ways (d) if 6 bottles are randomly selected, what is the probability that this results in two bottles of each variety being chosen? (round your answer to three decimal places.) (e) if 6 bottles are randomly selected, what is the probability that all of them are the same variety? (round your answer to three decimal places.)
Answers: 3
A random sample of 12 college graduates revealed that they worked an average of 5.5 years on the job...
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