Example 0.3. A normal population has mean 100 and variance 40. How large must a random sample be if we want standard error of the
sample mean to be 1.5 or less?18 or more
I

all but the second one

step-by-step explanation:

cuz that one goes over 180

mark brainliest

answer: (1,3) (3,-1) (5,-5) ?

step-by-step explanation:

i think da answer is

d.square root of 3

can someone me: the midsegment through the legs of an isosceles triangle is 4 in. find the sides of the triangle if its perimeter is 20 in. ,   and point g is the centroid of the right △abc with hypotenuse ab=18 in. find cg.