Mathematics, 18.12.2020 17:30 coolkitty35
In 1908, W. S. Gossett performed a sleep study on 10 subjects, comparing the number of hours of sleep obtained by each subject with and without (in that order) the application of the drug hyoscyamine. The paired differences d were as follows: 1.0, 0.8, 1.1, 0.1, - 0.1, 4.4, 1.5, 1.6, 4.6, 3.4 At the 1% significance level, is the drug effective in increasing sleep
Answers: 3
Mathematics, 21.06.2019 17:50
On a string instrument, the length of a string varies inversely as the frequency of its vibrations. an 11-inch string has a frequency of 400 cylces per second. find the frequency of a 10-icnch string.
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Mathematics, 21.06.2019 22:40
Suppose you are choosing a 6-digit personal access code. this code is made up of 4 digits chosen from 1 to 9, followed by 2 letters chosen from a to z. any of these digits or letters can be repeated. find the total number of personal access codes that can be formed. 492,804 341,172 39,917,124 4,435,236
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Mathematics, 21.06.2019 23:00
Graph the system of equations. {6x−4y=−244x−8y=−32 use the line tool to graph the lines.
Answers: 1
In 1908, W. S. Gossett performed a sleep study on 10 subjects, comparing the number of hours of slee...
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