Mathematics, 05.12.2019 04:31, LForNotKnowingMath
Alarge university is interested in learning about the average time it takes students to drive to campus. the university sampled 51 students and asked each to provide the amount of time they spent traveling to campus. the sample results found that the sample mean was 23.243 minutes and the sample standard deviation was 20.40 minutes. it is desired to determine if the population standard deviation exceeds 20 minutes. calculate the test statistic for this test of hypothesis.
a) x2 = 53.06 b) x2 = 58.11
c) x2 = 52.02 d) x2 = 51
Answers: 3
Mathematics, 21.06.2019 20:30, aprilwilson3p8711m
For the quadratic function [tex]y=(x+4)^2-1[/tex] , do the following: a) rewrite the function in the standard form, b) rewrite the function in intercept form, c) find the vertex, d) find the y-intercept, e) find the x-intercepts.
Answers: 1
Mathematics, 22.06.2019 00:00, meganwintergirl
Can someone plz me understand how to do these. plz, show work. in exercises 1-4, rewrite the expression in rational exponent form.[tex]\sqrt[4]{625} \sqrt[3]{512} (\sqrt[5]{4} )Β³ (\sqrt[4]{15} )^{7}\\ (\sqrt[3]{27} )^{2}[/tex]
Answers: 3
Mathematics, 22.06.2019 01:40, cfigueroablan
Which statement is true about the extreme value of the given quadratic equation? a. the equation has a maximum value with a y-coordinate of -21. b. the equation has a maximum value with a y-coordinate of -27. c. the equation has a minimum value with a y-coordinate of -21. d. the equation has a minimum value with a y-coordinate of -27.
Answers: 1
Alarge university is interested in learning about the average time it takes students to drive to cam...
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