In a gambling game a person draws a single card from an ordinary 52-card playing deck. A person is paid $17 for drawing a jack o
r a queen and $5 for drawing a king or an ace. A person who draws any other card pays $2. If a person plays this game, what is the expected gain
1 answer:
Answer:

Step-by-step explanation:
Sample size 52 card
Pay for J or Q 
Pay for King or Ace 
Pay for others 
Therefore
Probability of drawing J or Q

Probability or drawing King or Ace

Probability or drawing Other cards

Therefore
Expected Gain is mathematically given as



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Answer:
In step 2, he needed to divide both sides of the equation by 5
Step-by-step explanation:
we have

Solve for a------> That means isolate the variable "a"
step 1
Subtract 2b to both sides


step 2
Divide by 5 both sides


8(14-9)+5
________
2
3. + 6
8(5)+5
______
9 + 6
40 + 5
————
15
45
____
15
= 3
Answer:
BROWN & GREEN
Step-by-step explanation
6 : 8 : 10
divide above ratio by 2
3 : 4 : 5
green : red : brown
3 : 5
green : brown
So it would be 8/40. And in its simplest terms would be 1/5