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
julia-pushkina [17]
4 years ago
15

Suppose you participate in a chess tournament in which you play n games. In each game, you are equally likely to win, lose, or t

ie, and the outcome of each game is independent of the outcome of every other game. You collect 2 points for each win, 1 point for each tie, and 0 points for each loss. Let Y be the total number of points earned over the n games. Find E[Y ] and Var[Y ].
Mathematics
1 answer:
Zepler [3.9K]4 years ago
4 0
Yttgbsasjknvsefhk cased
You might be interested in
2x-y=-2 <br><br> -x-2y=4 <br><br> estimate the coordinates
ValentinkaMS [17]
You can subtract the 2x to make it -y=-2x-2 and add the x to make it -2y=x+4. for elimination method multiply the equation (-2)-y=-2x-2. Hope this helps. You can also do substitution method
8 0
3 years ago
The difference between 4x and 2x is 70. Find the 2x​
VashaNatasha [74]

Answer:

2x = 70

Step-by-step explanation:

4x - 2x = 70

2x = 70

x = 70/2

x = 35

4 0
2 years ago
Please help I’ll give brainliest
Bingel [31]

Answer:  A, 4^4

Step-by-step explanation:

4^7/4^3 = 4^4

5 0
3 years ago
Read 2 more answers
Solve equation (n-1)(n+6)(n+5)=0
Vika [28.1K]
Answer:
1, -6 and -5 

Explanation:
To solve the equation means to get the values of n which satisfy the given equation.
The equation given is:
(n-1) (n+6) (n+5) = 0
This equation will be true if any of the terms (brackets) is equal to zero.
This means that:
either n-1 = 0 .............> n = 1
or n + 6 = 0 ................> n = -6
or n + 5 = 0 ................> n = -5

Hope this helps :)
5 0
3 years ago
Read 2 more answers
Find the volume of each figure. Round to the nearest tenth if necessary.​
ziro4ka [17]

Answer:

112

Step-by-step explanation:

The volume is given by l*b*h=4*4*7=112

7 0
3 years ago
Other questions:
  • Let v= (5, -2) and w= (-10, 4). Which of the following is true?
    11·2 answers
  • Evaluate 7[45÷(19-10)]+2<br>​
    6·1 answer
  • 5. A number cube has faces numbered 1 through 6, and a coin has two sides, heads and tails. The number cube will be rolled once,
    11·1 answer
  • Type the correct answer in the box.Use numerals instead of words. If necessary, use / for the fraction bar.
    7·1 answer
  • The following triangles are congruent (Equal) according to :
    14·2 answers
  • House sold for $132000. Seller made 10% over original purchase price. What is the original purchase price of house
    14·1 answer
  • Log4 x + log4(x-12)= 3
    15·1 answer
  • PLS ANSWER WILL MARK BRAINLIEST
    6·2 answers
  • G = -5r + 13<br> what does g equal to
    15·1 answer
  • A little help would be nice
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!