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Form of a probability to the thousandths place

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1) Two students are working independently on a problem. The probability for each student to solve the problem correctly is 3/7 and 4/8 respectively. What is the probability that at least one of the student will solve the problem correctly? Please answer in the form of a percentage 

2) Happy Birthday!!

What is the probability of exactly 4 people in a group of 15 to have the same birthday?

Please answer in the form of a probability to the thousandths place (i.e. use decimal places).

3) If there are 133 balls in a bag labeled from 1 - 133, and you choose one, what is the probability it it will be an odd number or greater than 77?

Please answer in the form of a percentage to 1 decimal place.

Reference no: EM131836152

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