Question

A commercial prawn fisherman recorded the number of prawns he took from each trap. The average number of prawns per trap was 230 with a standard deviation of 22. What number of prawns per trap would you expect in the interval symmertrical about the mean where 80% of the numbers would be found ?

Answer 1

do u have any options?

Answer 2

no

Answer 3

No problem...ok, do u know how to calculate the z-score?

Answer 4

i dont fully understand it no..

Answer 5

ok...give me a few minutes!

Answer 6

here is a website that can really help you! take a look!
http://www.algebra.com/algebra/homework/Probability-and-statistics/Probability-and-statistics.faq.question.627910.html

Answer 7

Thank you!

Answer 8

Thank google! lol