I really need help with this question

The probability he first pulls a red tile is 3/10 because there are 10 possibilities and 3 where he pulls the red tile. After that, there are 9 tiles (because no replacement), 4 of which are blue. This is a chance of 4/9 for a blue tile immediately after. If two events are needed to occur, their chance of occurring is their product. (3/10)*(4/9) = (12/90) = 6/45 = 2/15 (B).

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no association

step-by-step explanation:

if you have eyes and you can use them efficiently you can see that it just looks like random dots like do a line of best fit and like they're so spread out it's such a weak association you might as well consider it nonexistent

option c) graph of line going through 1, 4 and 3, 10

step-by-step explanation:

let y equal to margo's coin collection

let x equal to number of years

at the begining x=0, y=1 → point=(x,y)→point=(0,1)

she adds 3 coins per year, then y=1+3x

at x=1, y=1+3(1)=1+3→y=4→point=(x,y)→point=(1,4)

at x=3, y=1+3(3)=1+9→y=10→point=(x,y)→point=(3,10)

the graph of line going through (1, 4) and (3, 10), then the option c is the correct.