Mathematics, 01.10.2019 21:30 kimjooin02
In a research sample of high school students, the variable “number of instagram followers” formed normal distribution with a mean of 45 and a standard deviation of 16. if the research sample contained 500 students, approximately how many had 21 or fewer friends?
a)7
b)467
c)21
d)33
Answers: 1
Mathematics, 21.06.2019 14:00
Two sides of a triangle mesure 20cm and 30cm. what is the measure of the third side
Answers: 3
Mathematics, 21.06.2019 16:50
Which is a true statement comparing the graphs of x^2/6^2-y^2/8^2 = 1 and x^2/8^2-y^2/6^2 the foci of both graphs are the same points. the lengths of both transverse axes are the same. the directrices of = 1 are horizontal while the directrices of = 1 are vertical. the vertices of = 1 are on the y-axis while the vertices of = 1 are on the x-axis.
Answers: 2
Mathematics, 21.06.2019 17:30
Is appreciated! graph the functions and approximate an x-value in which the exponential function surpasses the polynomial function. f(x) = 4^xg(x) = 4x^2options: x = -1x = 0x = 1x = 2
Answers: 1
In a research sample of high school students, the variable “number of instagram followers” formed no...
Mathematics, 15.12.2020 20:20
English, 15.12.2020 20:20
Mathematics, 15.12.2020 20:20
Biology, 15.12.2020 20:20
Mathematics, 15.12.2020 20:20
Physics, 15.12.2020 20:20
Mathematics, 15.12.2020 20:20
Mathematics, 15.12.2020 20:20
Mathematics, 15.12.2020 20:20
Mathematics, 15.12.2020 20:20