Question

A computer randomly picks a two digit number greater than 49. Find the odds that the number picked is a multiple of 5.

Answer 1

I really have no idea... HELP!!!!

Answer 2

the odd is probability?

Answer 3

How many 2 digit numbers are there?

Answer 4

I don't know

Answer 5

odds does not mean odd in this question

Answer 6

odds mean by probability

Answer 7

well lets count
10-99

Answer 8

Ok there are 90 2 digit numbers

Answer 9

And that number has to be great than 49

Answer 10

S there are 50 possible choices altogether

Answer 11

now the probability is n/n1

Answer 12

my answer book says 1:4 but I dont understand

Answer 13

hmmm I got a 1/5

Answer 14

@HELP!!!! get it?

Answer 15

How did you get n_1=40?

Answer 16

im kind of confused with the n1 and n

Answer 17

sorry 50

Answer 18

1/5

Answer 19

uhhhh

Answer 20

my book says 1:4 can anyone explain how or why?

Answer 21

can you guys guess how that happened?

Answer 22

i htink the rigth ans is 1/5if odd means probability

Answer 23

hmm I would have guessed 1/5, but it must have something to do with starting on 50

Answer 24

But it can be 50 since the number is greater than 49

Answer 25

right, I still don't see how that makes it 1 to 4

Answer 26

umm are u sure the answer is 1:4?

Answer 27

i think the book is wrong

Answer 28

well my work book is ment to trick people somehow

Answer 29

oh 1/5 is 1:4

Answer 30

How so?

Answer 31

favorable outcome : unfavorable outcume

Answer 32

I think, maybe not....

Answer 33

1 to 4 ratio means put in 1 for every 4 so you have put in 1/5

Answer 34

make some sense

Answer 35

IM LOST

Answer 36

but I get it at the same time

Answer 37

hahahaah oh yaaaaaaaaa?

Answer 38

four cons and 1 odd

Answer 39

Ohhhh I seee now I get it

Answer 40

imagine a 1:4 ratio of some liquid and water
for every 4 gallons of water you put in one gallon of some liquid
if you do this once, you have put in 1/5 of the whole