The pta is holding a raffle. the prize is a camera worth $200. each raffle ticket costs $5. one hundred tickets are sold and a winner is drawn at random. find the expected value of the purchase of a ticket.

Expected value of the purchase of a ticket would be $3.00.

Step-by-step explanation:

The PTA is holding a raffle. Each raffle ticket costs $5.00.

The prize is a camera worth $200.

One hundred tickets are sold = 100 × 5 = $500.00

winner is drawn and given the prize of worth $200.

$500 - $200 = $300

So the expected value of the purchased ticket = = $3.00

Expected value of the purchase of a ticket would be $3.00.

walter needs to make at least 5 more cookies but no more than 40. 5 ≥ x ≥ 40;

step-by-step explanation:

walter has to make a minimum of 20 cookies. he already has 15 cookies made, so he must make 5 more to meet the minimum.

the maximum amount of cookies he can make is 55. he already has 15, so he has to make no more than 40 more cookies to meet the maximum.