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.