Students in a statistics class conduct a survey to estimate the mean number of units students at their college are enrolled in. the students took a random sample of 50 students from their college. the students calculated a 90% confidence interval to estimate the mean number of units students at their college are enrolled in. the confidence interval was too wide to provide a precise estimate. the students are strategizing about how to produce a narrower confidence interval. true or false? the students could produce a narrower confidence interval by increasing the sample size to 100.

i think it's ф or x=6,-6

step-by-step explanation:

-x^2=-36

x^2=-36

ф

or

if you mean by : -(x^2)=-36

it'll be: x^2=36

x=6,x=-6

hope it'll ! have a good day!

you for asking!

correct choice is b

step-by-step explanation:

when you calculate the average rate of change of a function, you are finding the slope of the secant line between the two points. for the function the average rate of change from point to point can be calculated as

to find the average rate of change from day 2 to day 10, note that at day 2, 8 houses were sold, so a(2,8) and at day 10, 2 houses were sold, so b(10,2). thus,

3

step-by-step explanation:

divide 13.5 by 9 to get the scale factor. it equals 1.5

2 * 1.5 = 3