expected value

A bowler knocks down at least 6 pins 70 percent of the time. Out of 200 rolls, how many times can yo

A bowler knocks down at least 6 pins 70 percent of the time. Out of 200 rolls, how many times can you predict the bowler will knock down at least...
Thread by: math_celebrity, May 4, 2021, 0 replies, in forum: Calculator Requests

The chance of a soldier being an enemy spy is .0005. Out of 10,000 soldiers, how many of them are ex

The chance of a soldier being an enemy spy is .0005. Out of 10,000 soldiers, how many of them are expected to be spies? Expected Spies =...
Thread by: math_celebrity, Mar 7, 2021, 0 replies, in forum: Calculator Requests

a cash prize of \$4600 is to be awarded at a fundraiser. if 2300 tickets are sold at \$7 each, find th

a cash prize of \$4600 is to be awarded at a fundraiser. if 2300 tickets are sold at \$7 each, find the expected value. Expected Value E(x) is:...
Thread by: math_celebrity, Oct 18, 2020, 0 replies, in forum: Calculator Requests

Jerry rolls a dice 300 times what is the estimated numbers the dice rolls on 6

Jerry rolls a dice 300 times what is the estimated numbers the dice rolls on 6 Expected Value = Rolls * Probability Since a 6 has a probability...
Thread by: math_celebrity, Sep 8, 2020, 0 replies, in forum: Calculator Requests

A lottery offers 1 \$1000 prize and 5 \$100 prizes. 1000 tickets are sold. Find the expectation if a p

A lottery offers 1 \$1000 prize and 5 \$100 prizes. 1000 tickets are sold. Find the expectation if a person buys 1 ticket for \$5. Set up the...
Thread by: math_celebrity, Jun 29, 2020, 0 replies, in forum: Calculator Requests

A coffee franchise is opening a new store. The company estimates that there is a 75% chance the sto

A coffee franchise is opening a new store. The company estimates that there is a 75% chance the store will have a profit of \$45,000, a 10% chance...
Thread by: math_celebrity, Nov 16, 2019, 0 replies, in forum: Calculator Requests

Chuck-a-luck is an old game, played mostly in carnivals and county fairs. To play chuck-a-luck you p

Chuck-a-luck is an old game, played mostly in carnivals and county fairs. To play chuck-a-luck you place a bet, say \$1, on one of the numbers 1...
Thread by: math_celebrity, Feb 22, 2018, 0 replies, in forum: Calculator Requests

A spinner is divided into 4 equal sections numbered 1 to 4. The theoretical probability of the spinn

A spinner is divided into 4 equal sections numbered 1 to 4. The theoretical probability of the spinner stopping on 3 is 25%. Which of the...
Thread by: math_celebrity, Jan 11, 2018, 0 replies, in forum: Calculator Requests