Mathematics, 01.07.2019 01:10 tonya3498
To reduce laboratory costs, water samples from five public swimming pools are combined for one test for the presence of bacteria. further testing is done only if the combined sample tests positive. based on past results, there is a 0.004 probability of finding bacteria in a public swimming area. find the probability that a combined sample from five public swimming areas will reveal the presence of bacteria. is the probability low enough so that further testing of the individual samples is rarely necessary
Answers: 3
Mathematics, 21.06.2019 18:00
Mozart lenses inc. recently introduced seelites, a thinner lens for eyelasses. of a sample of 800 eyeglass wearers, 246 said they would purchases their next pair of eyeglasses with the new lenses. lenses inc. estimates that the number of people who purchase eyeglasses in a year is 1,700,000. most eyeglasses wearer buy one new pair of eyeglasses a year. what is the annual sales potential for the new lenses.
Answers: 1
Mathematics, 21.06.2019 19:30
Last month, a 770 g box of cereal was sold at a grocery store for $3.10. however, this month, the cereal manufacturer launched the same cereal in a 640 g box, which is being sold at $2.50. what is the percent change in the unit price?
Answers: 1
Mathematics, 21.06.2019 22:30
Aflagpole broke in a storm. it was originally 8 1 81 feet tall. 2 8 28 feet are still sticking straight out of the ground, where it snapped, but the remaining piece has hinged over and touches the ground some distance away. how far away is the end of the pole from the base of the pole along the ground?
Answers: 1
Mathematics, 21.06.2019 23:00
What ia the sum if the first 7 terms of the geometric series
Answers: 2
To reduce laboratory costs, water samples from five public swimming pools are combined for one test...
Chemistry, 12.09.2019 20:10
English, 12.09.2019 20:10
History, 12.09.2019 20:10
Mathematics, 12.09.2019 20:10
Computers and Technology, 12.09.2019 20:10