DA PROBLEM

SOLVE IT

1. The scores on the final exam in Ms. B’s Latin class have a normal distribution with mean and standard deviation equal to 8.  is a random variable with a normal distribution with mean 75 and standard deviation 6.
   
   Each year, Ms. B chooses a student at random and pays the student 1 times the student’s score. However, if the student fails the exam (score < 65), then there is no payment.
   
   Calculate the conditional probability that the payment is less than 90, given that there is a payment.
   

 

alright

 

SOLVE IT

 

i have no idea lmao

 

TELL ME YOUR STEPS

 

i am Swedish dont know what that meant sry

 

DO IT ANYWAYS SMARTY PANTS

 

i cant sry lmao

 

simple enough

 

I’ve never learned this. However, google is a powerful tool.



Link to the discussion.

 

wtf damn you searched it up

 

I’m getting the vibes that you have a math test or something and got stuck on this question lol

 

It’s the 2005 Illinois University Spring exam M.

 

Yeah this is a strange game as it is a one time winner.

 

Does this mean I have won? lol

 

I mean you are the first with an answer and steps. Anyone else is no longer playing the game and is instead copying.

Sooo, umm, congrats....

 

There were no rules, solving it by looking it up is not forbidden, huh?