Mathematics, 14.01.2021 03:40 weridness80
10. Certain ball bearings are packed in boxes that hold 500, 25 boxes of ball bearings are then packed in each crate for shipping. To make sure that the ball bearings being prepared for shipping were being produced with the correct measurements, a supervisor decided to take a sample for quality-control purposes. He randomly picked one crate, opened it up, and then randomly chose two boxes of ball bearings from that crate. He measured all of the ball bearings from the two boxes.
This is an example of a:
Answer choices:
convenience sample.
systematic sample.
cluster sample
stratified random sample.
Answers: 3
Mathematics, 21.06.2019 17:30, alexandroperez13
Monthly water bills for a city have a mean of $108.43 and a standard deviation of $32.09. find the probability that a randomly selected bill will have an amount greater than $155, which the city believes might indicate that someone is wasting water. would a bill that size be considered unusual?
Answers: 2
Mathematics, 21.06.2019 23:30, Cheyenne7327
Aparking garage charges $1.12 for the first hour and 0.50 for each additional hour. what is the maximum length of time tom can park in the garage if we wishes to play no more than $5.62
Answers: 1
10. Certain ball bearings are packed in boxes that hold 500, 25 boxes of ball bearings are then pack...
Health, 04.06.2020 23:58
Mathematics, 04.06.2020 23:58
History, 04.06.2020 23:58
Mathematics, 04.06.2020 23:58