I need help. I don't understand how to work this out...

if possible, please explain how you got your answer. it would be very helpful!

thanks!

Anita has a success rate of 80% on free throws in basketball. she wants to know the estimated probability that she can make exactly four of five free throws in her next game. how can she simulate this scenario? categorize each simulation of this scenario as correct or incorrect.

Eric and shiloh each have a savings account. the ratio of eric’s account balance to shiloh’s account balance is 4: 3. together they have a total of $140 in their accounts. use the tape diagram below to you determine the balance of eric’s account.

Jonathas wants to get a cell phone. the phone costs $59 and the plan costs $39 per month.