Mathematics, 01.01.2022 01:10 retros133
a quiz has 20 multiple choice questions. each question has four possible choices. if a student makes a random guess on each question, what is the expected number of correct answers?
Answers: 2
Mathematics, 22.06.2019 02:30
Problem 3 a bank charges a service fee of $7.50 per month for a checking account. a bank account has $85.00. if no money is deposited or withdrawn except the service charge, how many months until the account balance is negative
Answers: 2
Mathematics, 22.06.2019 03:30
Captain umaima has a ship, the h.m.s. khan. the ship is two furlongs from the dread pirate nadia and her merciless band of thieves. the captain has probability 3/7 of hitting the pirate ship. the pirate only has one good eye, so she hits the captain's ship with probability 2/5. if both fire their cannons at the same time, what is the probability that the captain hits the pirate ship, but the pirate misses.
Answers: 3
a quiz has 20 multiple choice questions. each question has four possible choices. if a student makes...
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