Mathematics, 22.11.2020 23:30, Brangolflro
Aaron sampled 101 students and calculated an average of 6.5 hours of sleep each night with a standard deviation of 2.14. Using a 96% confidence level, he also found that t* = 2.081. c o n f i d e n c e space i n t e r v a l space equals space x with bar on top plus-or-minus t asterisk times space bevelled fraction numerator s over denominator square root of n end fraction A 96% confidence interval calculates that the average number of hours of sleep for working college students is between . Answer choices are rounded to the hundredths place.
Answers: 2
Mathematics, 21.06.2019 13:00, shaniqwakirkseyniqwa
Atriangle includes one angle that 72Âș. which pair could be the measures of the other two angles of the triangle? a. 9Âș, 9Âș b. 26Âș, 46Âș c. 53Âș, 55Âș d. 72Âș, 108Âș
Answers: 2
Mathematics, 21.06.2019 21:30, allendraven89pds755
Which equation is true? i. 56 ÷ 4·7 = 82 ÷ (11 + 5) ii. (24 ÷ 8 + 2)3 = (42 + 9)2 neither i nor ii ii only i and ii i only
Answers: 1
Aaron sampled 101 students and calculated an average of 6.5 hours of sleep each night with a standar...
Advanced Placement (AP), 31.07.2019 05:00