Mr Smith swims 5 miles of his pool in 4 minutes if each Laps Takes the same amount of time what fraction of a minute does it take mr. smith to swim one lap

BILLY I TOLD YOU TO STOP CHEATING IN CLASS, YOU'RE GETTING A BAD GRADE, TO BAD GO GUARDIAN IS ON YOUR PARENTS WILL HEAR ABOUT THIS

answer: expected value of x = 1.0

step-by-step explanation:

p(x=0) = 0.25

p(x=1) = 0.50

p(x=2) = 0.25

expected value for x = 0×0.25 + 1×0.5 + 2×0.25 = 1.0

pay attention in your classes and concentrate the best thing you can do to raise your test scores is to pay attention when you're supposed to be learning the material: in class!

take good notes.

do your homework.

use mnemonics and other tricks.

do practice tests.

note: the best i know.