Mathematics, 16.06.2021 16:20 tonehasarathi
A new medication is designed to lower cholesterol. The cholesterol level in a group of patients is normally distributed with a mean of 6.15 mmol/L and a standard deviation of 1.35 mmol/L. A sample of 40 people used the medication for 30 days, after which their mean cholesterol level was 5.87 mmol/L. The drug company wants to have a 95% confidence level that the drug is effective before releasing it.
Answers: 2
Mathematics, 21.06.2019 16:10
The number of hours per week that the television is turned on is determined for each family in a sample. the mean of the data is 37 hours and the median is 33.2 hours. twenty-four of the families in the sample turned on the television for 22 hours or less for the week. the 13th percentile of the data is 22 hours. approximately how many families are in the sample? round your answer to the nearest integer.
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Mathematics, 21.06.2019 17:10
Empty box + box + empty box fill in the box is equal to 30 how
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Mathematics, 21.06.2019 21:10
Indicate the formula for the following conditions: p^c(n,r)=
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A new medication is designed to lower cholesterol. The cholesterol level in a group of patients is n...
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