HELP ASAP PLZ

Mathematics

2 answers:

blagie [28]3 years ago

4 0

9/38 x 9 /38 =81/144 both of the events are indepent

Alisiya [41]3 years ago

4 0

Answer:

The correct option is D. 9/38x9/38 =81/1444

Step-by-step explanation:

Total number of marbles in the bag = 38

Number of white marbles in the bag = 14

Number of gray marbles in the bag = 9

Number of blue marbles in the bag = 15

We need to find the probability that Jane takes out a gray marble in both draws

$\text{Probability that Jane draws gray marble in first draw = }\frac{9}{38}$

Given that : Then Jane replaces the marble for the second draw

$\text{Probability that Jane draws gray marble in second draw = }\frac{9}{38}$

$\text{Probability that Jane draws gray marble in both draws = }\frac{9}{38}\times \frac{9}{38}$

$\text{Probability that Jane draws gray marble in both draws = }\frac{81}{1444}$

Therefore, The correct option is D. 9/38x9/38 =81/1444

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