The scores on a university exam are normally distributed with a mean of 67 and a standard deviation of 13. If the bottom 5% of students will fail the course, what is the lowest mark a student can have and still pass the course?

Someone this asap for a group of students attends a basketball game. * the group buys x hot dogs at the concession stand for $2 each. * the group buys y drinks at the concession stand for $3 each. the group buys 29 items at the concession stand for a total of $70. how many hot dogs did the group buy?

How many different three-digit numbers can be formed using the digits 1 comma 2 comma 9 comma 6 comma 4 comma 3 comma and 8 without repetition? for example, 664 is not allowed.

What is the product? a-3/15a × 5/a-3