Math Is Fun Forum

so the answer is -.526?

20 % of the total area is to the left of z.
Z =

if u know how to read them, it would be. I am a bit new to this.

oops pc won't type
find per centage of area under the standard normal curve that is shown
between z =0 and z = 0.9

z = .75 and z = 1.2    %

where?

Z= -1 and Z= -0.5

Z=-1.5 and Z = -.55
thanks

Thanks, I guess I will go with the method of picking them out.

See you later, too. I have to sleep. I am so so tired.

it is an online test, and my brain is tired. I have about two more weeks of finals to go, then break.
I did not know you did equations online, since you are fast. Where are you located? In another country I think?

i hope u had a good time. i have not taken vacations in yrs.