Question

An urn contains 7 white and 3 red balls. Two balls are drawn together, at random from this urn. Compute the expected number of white balls drawn

Answer 1

Answer:

probability of neither of them is white= 3/10

probability of getting white ball= 7/10

hope it helps

Step-by-step explanation:

see the concept is no. of particular balls upon total no of balls

total no of balls = 7 + 3 = 10

according to this u can do this type of question

hope it helps

.......................xd

pls mark it as brainliest sister

Answer 2

I have solved step by step

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