1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
storchak [24]
3 years ago
11

A gambler pays $5 to play a game of dice. he rolls two dice. if he rolls a sum of 10 the house pays him $10; if he rolls a sum o

f 3 the house pays him $20, otherwise he loses. what is the expectation of this game?
Mathematics
1 answer:
Rom4ik [11]3 years ago
3 0

Rolling 2 dice there are 36 possible outcomes.

Sum of 10: 4, 6; 5, 5; 6, 4

3 outcomes have a sum of 10.

Sum of 3: 1, 2; 2, 1

2 outcomes have a sum of 3.

Each play costs $5.

If he rolls a sum of 10, he wins $10, but he paid $5 to play, so for each roll of a sum of 10 he earns $5.

If he rolls a sum of 3, he wins $20, but he paid $5 to play, so for each roll of a sum of 3 he earns $15.

For all the other 31 possible sums, he loses $5.

Add: 3 * $5 + 2 * $15 - 31 * $5 = $110

Now divide the sum by the total number of outcomes.

$110/36 = -$3.05555...

Answer: -$3.06

You might be interested in
. Paris is saving to take the SAT prep course that costs $350. So far, she has saved $180, and she
Korolek [52]

Answer:

10 weeks

Step-by-step explanation:

Use the equation 180+17w=350

3 0
3 years ago
P(x)=3x² + 4x³-8+x⁴-7x Degree; Type; Leading coefficent;
Mekhanik [1.2K]

Answer:

Degree: 4; Type: quartic; Leading coefficient: 1

Step-by-step explanation:

7 0
3 years ago
Please help on the last question im gonna do 40 points
klasskru [66]
I believe number 5 is c and number 6 is f
8 0
3 years ago
Reorder the steps to construct Angle JOB, a copy of Angle A.
g100num [7]

Answer:

The right order is given as follows;

_Draw a ray that will become one of the two rays of the new angle, label OB

_Place your compass point at the vertex of Angle A. Create an arc that intersects both rays of Angle A

_On Angle A, set the compass point on the intersection of the arc and ray and the pencil on the other intersection of the arc and second ray. Lock your compass

_Without changing your compass setting, create an arc from point O that intersects OB. Be sure to make a large arc.

_Place the point of the compass on the intersection of the arc on OB. Mark an arc arc through the large arc created in a previous step. Label the point of intersection of the two arcs point J.

_Construct OJ

Step-by-step explanation:

1) The first step is to draw a line in the location where the angle to be copied is to be constructed

2) The distance of two points on the rays forming the angle to be copied from the vertex are found by drawing an arc from the vertex and setting the compass opening width to the distances between the intersection of the arc and the rays

3) With the set compass width from the step above, an arc is drawn which intersects the constructed first new ray. The arc is made to extend to a large angle to accommodate large angle sizes

4) From the point of intersection of the arc on the new line, another arc is drawn to intersect the previous arc located on the new line construction

5) Join the point intersection of the two arcs on the new construction to the start point of the constructed first new line (the point from which the first arc was constructed to complete the construction of a copy of the angle.

5 0
4 years ago
2x^4-8x^4<br> Answers:<br> -6x^8<br> -6x^4<br> -16x^4<br> -16x^8
pishuonlain [190]
<span>the answer is -16x^4</span>
8 0
3 years ago
Other questions:
  • An equation is shown below: 5(2x - 8) + 15 = -15 Write the steps you will use to solve the equation and explain each step. (5 po
    10·2 answers
  • an 8 by 10 inch piece of cardboard cost $ 2.00. if the cost of the cardboard is proporcional to its area what is the cost of pie
    9·1 answer
  • On Monday the store is having a sale and all the school supplies are 1/2 off,how much money would you save if u shop on Monday
    6·1 answer
  • How is experimetal probability used to make predictions
    15·1 answer
  • What is the equation of the circle with a Center of (0,9) and a Radius of 7
    12·1 answer
  • I need help with this plz
    13·1 answer
  • Help im timed The ratio of strawberries to bananas in a smoothie recipe are shown in the graph below.
    9·2 answers
  • After Lin makes her way down the hallway, will locker number 56 have 0 magnets, 1 magnet, or both magnets?
    14·2 answers
  • Dianna made several loaves of bread yesterday. Each loaf required 2 and two-thirds cups of flour. All together, she used 13 and
    12·1 answer
  • Cada uno
    5·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!