The number of students in each grade in a large lecture course in mathematics is indicated in the table below: Grade Number of Students Freshman 41 Sophomore 38 Junior 37 Senior 34 Find the probability that a randomly selected person in this large lecture mathematics course: a) is a Freshman. Write as a percent rounded to 1 decimal place. b) is a Sophomore or a Senior. Write as a percent rounded to 1 decimal place.

At bedtime, you read three books to your kids, Walker, Michael, and Luke. Together, they have 32 books. If you decide to randomly choose three books, what is the probability that the three you choose will consist of each of their favorite books? Assume they have different favorites. Express your answer as a fraction in lowest terms or a decimal rounded to the nearest millionth.

The average number of field mice per acre in a 6-acre wheat field is estimated to be 13. a. Find the probability that fewer than 7 field mice are found on a given acre; b. Find the probability that fewer than 7 field mice are found on 2 of the next 3 acres inspected;

When choosing 5 cards from a standard deck of cards, what is the probability you get exactly 4 card are diamonds?  Enter numeric values for each: Numerator and Denominator