Mathematics, 16.10.2019 03:30 pettitchristy1
Ackerman and goldsmith (2011) report that students who study from a screen (phone, tablet, or computer) tended to have lower quiz scores than students who studied the same material from printed pages. to test this finding, a professor identifies a sample of n 5 16 students who used the electronic version of the course textbook and determines that this sample had an average score of m 5 72.5 on the final exam. during the previous three years, the final exam scores for the general population of students taking the course averaged m 5 77 with a standard deviation of s 5 8 and formed a roughly normal distribution. the professor would like to use the sample to determine whether students studying from an electronic screen had exam scores that are significantly different from those for the general population.
Answers: 3
Mathematics, 21.06.2019 19:10
Which equation results from adding the equations in this system? x+6y=9 and -x+2y=-15
Answers: 1
Mathematics, 21.06.2019 19:30
Solve the following inequalities and show the solution on a number line. 2x+3< 3(4x+5)
Answers: 1
Mathematics, 22.06.2019 02:20
According to the general equation for conditional probability, if p(ab) = 4/5 and p(b)= 5/6, what is p(a|b)? a. 8/9 b. 35/36 c. 24/25 d. 15/16
Answers: 2
Mathematics, 22.06.2019 02:40
Given a = {(1, , 5)(6,4)}, b = {(2,0)(4, ,5)(0, 0)) and c = {(1, 1)(0, 2)(0, 3)(0, ,5)}, answer the following multiple choice question: from the list of sets a, b, and c, state the domain of set b. domain of set b: {0, 6,5} domain of set b: {2, 4,-4, 0} set b does not have a domain
Answers: 3
Ackerman and goldsmith (2011) report that students who study from a screen (phone, tablet, or comput...
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