Mathematics, 11.03.2020 05:20 kaleaweeks
A researcher determines that students are active about 60 + 12 (M + SD) minutes per day. Assuming these data are normally distributed, what is the z score for students being active 48 minutes per week?a. 1.0b. -1.0c. 0d. There is not enough information to answer this question.
Answers: 1
N (µ, σ²), then 
, is a standard normal variate with mean, E (Z) = 0 and Var (Z) = 1. That is, Z 
Another question on Mathematics
Mathematics, 21.06.2019 16:40
Which statement accurately explains whether a reflection over the y-axis and a 270° counterclockwise rotation would map figure acb onto itself? a coordinate plane with figure acb with point a at 1, 1, c at 3, 4 and b at 5, 1 yes, a″c″b″ is located at a″(1, 1), c″(4, 3), and b″(1, 5) yes, a″c″b′ is located at a″(1, 1), c″(3, 4), and b″(5, 1) no, a″c″b″ is located at a″(1, 1), c″(4, 3), and b″(1, 5) no, a″c″b″ is located at a″(1, 1), c″(3, 4), and b″(5, 1)
Answers: 2
Mathematics, 21.06.2019 21:00
Given: circle o, cd is diameter, chord ab || cd. arc ab = 74°, find arc ca.
Answers: 1
Mathematics, 22.06.2019 00:00
Need plz been trying to do it for a long time and still haven’t succeeded
Answers: 1
Mathematics, 22.06.2019 00:10
A, at (-2, 4), is 6 .of a'? (-8, 4) (-8, -2) (-2, -2) (-2, 4) b, at (-4, -7), isy-.of b'? (-4, 7) (4, -7) (4, 7) (-4, -7)
Answers: 2
You know the right answer?
A researcher determines that students are active about 60 + 12 (M + SD) minutes per day. Assuming th...
Questions
Mathematics, 30.08.2019 01:40
Computers and Technology, 30.08.2019 01:40
History, 30.08.2019 01:40
Mathematics, 30.08.2019 01:40
Computers and Technology, 30.08.2019 01:40
History, 30.08.2019 01:40
Mathematics, 30.08.2019 01:50
English, 30.08.2019 01:50
Biology, 30.08.2019 01:50
