A bag contains: • 2 white marbles
3 brown marbles
4 purple marbles
• 6 orange marbles
A marble will be drawn from the bag and replaced 75 times. What is a reasonable prediction for the number of times a brown or purple marble
will be drawn?
50
45
35
30
th

45

Step-by-step explanation:

There are 45 total marbles. The probability of drawing a yellow marble on the first draw is 3/4. Given replacement, the probability on the second draw is the same as on the first draw, so the probability of black marble on the second draw is 6/14. The probability of drawing first a yellow marble then a black marble is 3/14 * 6/14 = 18/196.

35 hope this helps

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the simplified form is

step-by-step explanation:

we want to simplify the expression,

let us change the middle bar to a normal division sign to obtain,

we multiply the first fraction by the reciprocal of the second fraction to obtain,

we factor to obtain,

we cancel the common factors to get,

we simplify to get,

the correct answer is b