Answers in order for 1) Ins Packet 2) book HW 3) HW wksht

Insurance Packet
#7 A $20 bill, two $10 bills, three $5 bills and four $1 bills are placed in a bag. If a bill is chosen at random, over the long run how much money do you expect to win per turn?

• $2.90
• $5.90
• $2.10
• none of the above

Insurance Packet
#8  In a basic casino game you flip a coin twice, and record the number of heads that occur. You get $10 for 2 heads, $0 for 1 head, and $5 for no heads. If you play this game 10,000 times, how much money would you expect to win per turn?

• none of the above
• $7.50
• $6.25
• $3.75

Insurance Packet
#9 There is an equally likely chance that a falling dart will land anywhere on the rug below. The following system is used to find the number of points the player wins. If you drop a dart 1,000 times, how many point would you average per turn.
Black = 40 points
Gray = 20 points
White = 0 points

• 24
• 16
• 20
• none of the above

Insurance Packet
10. A mysterious card-playing squirrel offers you the opportunity to join in his game. The rules are: i.To play you must pay him $2. ii.If you pick a spade from a shuffled pack, you win $9. How much money would you expect to win over the long run per a turn?

• $.25
• none of the above
• $1
• -$.25

Book HW  #1A
Find expected value  of table

• 19
• 20
• 18
• none of the above

Book HW  #1B
Find expected value of table

• none of the above
• 3.5
• 2.8
• 4.2

Book HW #2A
Find expected value of table

• none of the above
• 1
• 1.2
• 1.5

Book HW #3B
You draw a card from a deck.  If you get a red card, you win nothing.  If you get a spade, you win $5.  For any club, you win $10 plus an extra $20 for the ace of clubs.  Fine the expected amount you'll win.

• $3.13
• $4.33
• $3.75
• none of the above

Book HW #4B
You roll a die.  If it comes up 6, you win $100.  If not, you get to roll again.  If you get a 6 the second time, you win $50.  If not, you lose.  Fine the expected amount you'll win.

• #20.17
• $23.61
• $25.07
• none of the above

Book HW #5B
A couple plans to have children until they get a girl, but they agree that they will not have more than 3 children even if all are boys.  (Assume boys and girls are equally likely).  Find the expected number of children.

• 1.75
• 2
• .875
• none of the above