One state lottery has 800 prizes of 1 105 prizes of 10 15 pr

One state lottery has 800 prizes of $1, 105 prizes of $10, 15 prizes of $65, 5 prizes of $360, 2 prizes of $1150, and 1 prize of $2600. Assume that 37000 lottery tickets are issued and sold for $1.

1. What is the lottery\'s expected profit per ticket?

2. What is the lottery\'s standard deviation of profit per ticket?

Suppose a quiz has 9 multiple choice questions. Each question has 4 answer choices. If a student takes the quiz and randomly guesses on every question....

3. Find the probability the student gets between 1 and 6, exclusive, questions correct.

4. Find the probability the student gets more than 5 questions correct

Solution