A researcher calculates the expected value for the number of

A researcher calculates the expected value for the number of girls in three births. He gets a result of 1.5. He then rounds the result to 2, saying that it is not possible to get 1.5 girls when three babies are born. Is this reasoning correct? Choose the correct answer below. No. The correct expected value is 1.5. No The correct expected value is 1. Yes. The correct expected value is 2. No. The correct expected value is 3.

Solution

No that is incorrect

The correct expected value is 1.5

it doesnt matter if is not a whole number , because is just an expected value that say that is like your average

number