a study on students drinking habits wants to determine the true average number of alcoholic drinks all uf graduate students have in a one week period. we know from preliminary studies that the standard deviation is around 1.8. how many students should be sampled to be within 0.25 drink of population mean with 95% probability?

2x3 – 6x2 – 14x + 24 square centimeters

if i'm wrong i'm sorry : )

345

step-by-step explanation:

step-by-step explanation:

answer: the angel abc is 30°,and the abc is a triangle where the angel bac is 90°

so ac is the half of 24=12ft,and from the pythagorean theorem we find ba

ba=√bc^2-ac^2=√576-144=√432=12√3ft

so bac is 12+12√3=12(1+√3)ft