Question

A bag contains 3 green and 7 white balls. Two are drawn from the bag in succession with replacement. What is the probability that both white?

• A. $\frac{1}{7}$
• B. $\frac{5}{11}$
• C. $\frac{7}{11}$
• D. $\frac{7}{15}$

Answer 1

The correct option is D $\frac{7}{15}$

$Togetbothwhite$

$\frac{{}^7{C}_2}{{}^{10}{C}_2}=\frac{21}{45}=\frac{7}{15}$