The weight of a certain type of brick has an expectation of 1.12 kilograms with a variance of 0.0008 kilograms2. How many bricks would need to be selected so that the average weight has a standard deviation of no more than 0.005 kilograms

Aiden drives to school and back each day. the school is 16 miles from his home. he averages 40 miles per hour on his way to school. if his trip takes 1 hour, at approximately what speed does aiden drive home?

Divide. –4.2 ÷ 6 = a –0.7 b 0.7 c –7 d 7 me

Mariah is randomly choosing three books to read from the following: 5 mysteries, 7 biographies, and 8 science fiction novels. which of these statements are true? check all that apply. there are 20c3 possible ways to choose three books to read. there are 5c3 possible ways to choose three mysteries to read. there are 15c3 possible ways to choose three books that are not all mysteries. the probability that mariah will choose 3 mysteries can be expressed as . the probability that mariah will not choose all mysteries can be expressed as 1 −