(Answered) Question 1 a box contains 100 balls 30 are red 40 are blue

Statistics

Question: 1. A box contains 100 balls; 30 are red, 40 are blue, and 30 are green. Martha and Alex select at random, with replacement and mixing after each selection. Alex has a success if he selects a red ball; Martha has a success if she selects a blue ball. Alex selects seven times and Martha selects five times. What is the probability Martha has more successes than Alex?

2. Two players roll a fair die 30 times each. What is the probability that each rolls the same number of sixes?

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