Question

The lengths of fish of a certain type have a normal distribution with mean 38 cm. It is found that 5% of the fish are longer than 50 cm.

(i) Find the standard deviation.

Answer 1

do you have the z table on hand? @Salman1234

Answer 2

@Salman1234

Answer 3

>0.05, |z| will be 1.645...

Answer 4

.... let them find it

Answer 5

yes
what equation should be used

Answer 6

he pmed me the other information

Answer 7

i wasnt giving him the answer

Answer 8

ok, pm are not public records so its not a good idea to do parts of this "out of sight" if you start it "in sight". keep that in mind

Answer 9

I think this website will help you a bit http://www.regentsprep.org/Regents/math/algtrig/ATS2/NormalLesson.htm

Answer 10

ok

Answer 11

i dont know that sorry