Mathematics, 15.04.2021 21:50 alove1777
A survey of hospital records of 35 randomly selected patients suffering from a particular disease indicated that the average hospital stay was 10 days. If the mean hospital stay is between 9.032 and 10.97 days with a standard deviation of 2.9 days, approximately which confidence level does the range represent? Estimate the z-score to the nearest thousandth and use it to determine the confidence level.
Answers: 2
Mathematics, 21.06.2019 17:00
Me! last question, and i'm stuck! write the algebraic expression that models the word phrase. the product of 2 divided by the number h and 8 more than the number k
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Mathematics, 21.06.2019 23:30
Sam opened a money-market account that pays 3% simple interest. he started the account with $7,000 and made no further deposits. when he closed the account, he had earned $420 in interest. how long did he keep his account open?
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Mathematics, 22.06.2019 00:10
Which of the following expressions cannot be simplified to x – 2?
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