There are 10 balls in a box numbered from 1 to 10. We must pay $5 to play and draw 3 balls. If we draw ball #1 or #10, we win $5. Find the expected gain if: a) We return each ball to the box before we draw the next one. b) We do not return the balls to the box after we draw them.
There are 10 balls in a box numbered from 1 to 10. We must pay $5 to play and draw 3 balls. If we draw ball #1 or #10, we win $5. Find the expected gain if: a) We return each ball to the box before we draw the next one. b) We do not return the balls to the box after we draw them.
Chapter9: Sequences, Probability And Counting Theory
Section9.5: Counting Principles
Problem 40SE: A family consisting of 2 parents and 3 children is to pose for a picture with 2 family members in...
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There are 10 balls in a box numbered from 1 to 10. We must pay $5 to play and draw 3 balls.
If we draw ball #1 or #10, we win $5.
Find the expected gain if:
a) We return each ball to the box before we draw the next one.
b) We do not return the balls to the box after we draw them.
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