Question

An urn contains 7 red and 4 blue balls. Two balls are drawn at random with replacement. If the events are independent, then the probability of getting two red balls is

• A. $\frac {49}{121}$
• B. $\frac {28}{121}$
• C. $\frac {56}{121}$
• D. none of these

Answer 1

Answer: (A)

$\frac {49}{121}$

Answer 2

Answer (a) $\frac {49}{121}$