Question

Help with question 7ii please! https://thol.sunway.edu.my/examdbase/alv/math/p7/math_p7_n02.pdf

Answer 1

wow I did A'level in '81

Answer 2

Could you help?

Answer 3

sorry my stats not fresh enough
@Jhannybean ?, @jim_thompson5910?,

Answer 4

@sammixboo can you help?

Answer 5

@Nnesha stats?

Answer 6

@perl please help don't care for stats, not current thanks

Answer 7

I can give two cents, can't guarantee it though

Answer 8

so the question is, how many bottles of the 12 fall into each category on your bell curve

Answer 9

that's how you know they are within .6 of each other so you have to then think about if I have blah bottles in this category then the probability of a bottle being matched with one not in this category is ___. There will be 4-5 answers, I think

Answer 10

sorry, I can't be of more help :/ try @nincompoop to see if he's had stats more recent than me

Answer 11

.06* sorry type-O

Answer 12

I just wanna know why is the mean 0

Answer 13

it's not, it's 1.3?

Answer 14

i agree

Answer 15

@LXelle

Answer 16

I'm talking about ii lol

Answer 17

Why is the mean 0

Answer 18

wtc

Answer 19

@kainui

Answer 20

@wio

Answer 21

@campbell_st

Answer 22

The mean isn't zero... read it again. #7 part ii

Answer 23

It is. Youre finding the difference between the two bottles. Lol. Please don't convey wrong info.

Answer 24

^This may be why you don't understand the problem. Next time you ask for help, listen to the people aiding you through your misconceptions please.

Answer 25

Ive consulted my lecturer.