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Phil had a bag containing 90 marbles. He drew out a marble without looking and recorded the color. He then put the marble back in the bag and drew another marble without looking and recorded its color. He continued this for 10 draws. The table shows his results.

Based on the information shown in the table, what is the best estimate for the number of yellow marbles in the bag?

Marbles colors= red , yellow, blue

times chosen= 2, 3, 5

Sagot :

Answer:

27 yellow marbles

Step-by-step explanation:

3 yellow out of 10 marbles gives a probability of 3/10 to pick a yellow marble.

So, if y = no. of yellow marbles in the bag, then

y/90 = 3/10

10y = 270

y = 27 yellow marbles

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