Money
A fair spinner with equal sections numbered 1 to 5 is thrown 500 times. If you get $1 every time it lands on 5, how much money will you have at the end?
What is $100?
Two coins are tossed 50 times. The number of heads is noted each time. Work out how many times you expect to get 0 heads.
What is 12.5?
Microbiology.
What is Candelaria's major?
Your expected earnings if you pay $1 to play a game where you roll a die and win $5 if you roll a 6 and nothing if you roll any other number.
What is -$0.17
The expected value for rolling a fair 10-sided die.
What is 5.5?
Linear programming.
What did we study in class yesterday?
Your expected earnings if you buy 1 raffle ticket for $2. 620 are sold and 1 ticket is picked for a prize of $300, 1 ticket is picked for a prize of $200, and 1 ticket is picked for a prize of $100.
What is $-1.03?
The random variable X has the probability function P(X=x) =(2x-1)/36 when x= 1, 2, 3, 4, 5, 6. Find E(X).
What is 4.47222...?
Raven and Pipit.
What are Dr. Thurber's cats named?