Question

confused @AZ

Answer 1

so this is where you'd need that Z-score

Answer 2

Well actually, we don't even need to. If you remember the previous question

you can get 84% when you have 50 + 34%

so you only need to go 1 SD above

Answer 3

Oh right o-o
so -sd to 2sd
-sd is 8 minutes
so A is 9 minutes-?

Answer 4

Wait what idk what i was typing

Answer 5

Uh i think i meant 10 minutes

Answer 6

that makes two of us

Answer 7

let's uhh start with a) again?

when you're at the mean, you're 50% sure it's cool

to be 84% sure, you'd have to be one SD above

so 10 + 2 mins

Answer 8

uh right 12 minutes

Answer 9

There we go

and now for the second part, it's asking about 8 minutes

Answer 10

uhhhhhhhhhhhh 84%

Answer 11

actually uhhhhhhhh 16%?

Answer 12

nope nope

we want to calculate the number of times he would burn his tongue

Answer 13

so 84% o-o

Answer 14

and there you have it, that's the percent of time he'd burn his tongue

Answer 15

kkay tyyyy o-O

Answer 16

you're welcome :)