Mathematics, 20.10.2019 14:20 audriexpress
Aprofessor would like to test the hypothesis that the average number of minutes that a student needs to complete a statistics exam has a standard deviation that is less than 5.0 minutes. a random sample of 15 students was selected and the sample standard deviation for the time needed to complete the exam was found to be 4.0 minutes. what would be the number of degrees of freedom for this hypothesis test? a. 16 b. 15 c. 13 d. 14
Answers: 3
Mathematics, 21.06.2019 18:30, waldruphope3956
Can someone check if i did this right since i really want to make sure it’s correct. if you do you so much
Answers: 2
Mathematics, 21.06.2019 19:30, Flaka2809
Asurvey of 45 teens found that they spent an average of 25.6 hours per week in front of a screen (television, computer, tablet, phone, based on the survey’s sample mean, which value could be the population mean? 2.3 hours 27.4 hours 75.3 hours 41.5 hours
Answers: 1
Mathematics, 22.06.2019 00:30, janeou17xn
What is the sum of the geometric series in which a1 = 7, r = 3, and an = 1,701? hint: cap s sub n equals start fraction a sub one left parenthesis one minus r to the power of n end power right parenthesis over one minus r end fraction comma r ≠ 1, where a1 is the first term and r is the common ratio
Answers: 1
Mathematics, 22.06.2019 02:50, studyoverload
Analyze the diagram below and complete the instructions that follow. 56 find the unknown side length, x write your answer in simplest radical form. a 2047 b. 60 c. sv109 d. 65 save and exit next s and return
Answers: 1
Aprofessor would like to test the hypothesis that the average number of minutes that a student needs...
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