SOLUTION: #1 A card is drawn randomly from a standard 52-card deck. Find the following: Write all answers as simplified fractions. Probability the card drawn is a face card Prob

Question 855853: #1
A card is drawn randomly from a standard 52-card deck. Find the following:
Write all answers as simplified fractions.
Probability the card drawn is a face card

Probability the card drawn is not a face card.

Odds in favor of drawing a face card

Odds against drawing a face card

#2
A card is drawn randomly from a standard 52-card deck. Find the following:
Write all answers as simplified fractions.
Probability the card drawn is a face card

Probability the card drawn is not a face card.

Odds in favor of drawing a face card

Odds against drawing a face card

#7
A bag contains 1 gold marbles, 9 silver marbles, and 26 black marbles. Someone offers to play this game: You randomly select one marble from the bag. If it is gold, you win $3. If it is silver, you win $2. If it is black, you lose $1.
What is your expected value if you play this game?
$
#8
A bag contains 1 gold marbles, 8 silver marbles, and 27 black marbles. Someone offers to play this game: You randomly select one marble from the bag. If it is gold, you win $3. If it is silver, you win $2. If it is black, you lose $1.
What is your expected value if you play this game?
$
I need help before 3/25/2014 by 11:59pm Thank you
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!

 

Hi,

1 and 2 identical

12 face cards (K, Q, J in each of the 4 suits)

card drawn

P(facecard) = 12/52

odds in favor : 12:40, odds against:   40:12

7) 36 marbles: 1 gold, 9 silver  and 26 black marbles.

E = 3(1/36) + 2(9/36) - 1(26/36) = $3/36 + $18/36 - $26/36 = -$5/36 = -$0.14 

7) 36 marbles: 1 gold, 8 silver  and 27 black marbles.

E = 3/36 + 2*8/36 - 27/36 = -$8/36 = -$0.22 

RELATED QUESTIONS

I made a mistake and put it in wrong got an different one now. ok thanks we only get... (answered by ewatrrr)
(1 point) A card is drawn randomly from a standard 52-card deck. Find the probability of... (answered by Edwin McCravy)
A card is drawn randomly from a standard, well shuffled deck of 52 cards . find the... (answered by stanbon)
A card is drawn randomly from a standard 52 deck.
Find the probability of the given... (answered by greenestamps,ikleyn)
If you randomly select a card from a well-shuffled standard deck of 52 cards, what is the  (answered by Edwin McCravy)
A random card is drawn from a standard 52 card deck.
Find the probability that
a. The... (answered by htmentor)
A card is drawn from a standard 52 card deck. Find the probability of drawing a black... (answered by fractalier)
A card is randomly drawn from a standard deck of 52 cards.what is the probability of... (answered by stanbon)
A single card is randomly drawn from one standard 52-card deck of playing cards, and... (answered by stanbon)