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
GalinKa [24]
3 years ago
15

(100 POINTS & BRAINLIEST!!! HURRY) A game at the fair involves a wheel with seven sectors. Two of the sectors are red, two o

f the sectors are purple, two of the sectors are yellow, and one sector is blue. Landing on the blue sector will give 3 points, landing on a yellow sector will give 1 point, landing on a purple sector will give 0 points, and landing on a red sector will give –1 point.
If you take one spin, what is your expected value?
What changes could you make to values assigned to outcomes to make the game fair?
Prove that the game would be fair using expected values.
Mathematics
2 answers:
Marysya12 [62]3 years ago
7 0

Answer: well i'm too young to answer this lol

1. 7

2. change the value of the colors. each color should have at least 1 or 2 points for each sector.

Step-by-step explanation:

1. two are red (red=1) =2, two are purple (purple=0) =2, two are yellow (yellow=1) =4, one is blue (blue=3) =7

2. dk how to explain this i'm running out of time

aleksklad [387]3 years ago
6 0

Answer:

The game is not fair

Step-by-step explanation:

<u><em>A wheel with seven sectors:</em></u>

Red Sectors  = 2   |  Probability  = 2/7

Purple sectors  = 2  |  Probability  = 2/7

Yellow sectors  = 2 |   Probability  = 2/7

Blue sectors  = 1  |  Probability  = 1/7

Landing on the blue sector will give 3 points,  => 3 * 1/7  = 3/7    points

landing on a yellow sector will give 1 point => 1 * 2/7 = 2/7   points

landing on a purple sector will give 0 points => 0 * 2/7  = 0   points

landing on a red sector will give –1 point.  =>  - 1 * 2/7  = -2/7 points

Expected value  =  3/7 + 2/7 + 0 - 2/7

= 3/7

<u><em>Expected value  =  3/7</em></u>

3/7   < 1/2

=> <u><em>game is not fair</em></u>

<em><u>If expected value = 3.5/7 = 1/2  then game will be fair</u></em>

<em><u>hence if we make 3.5 points for Landing on the blue sector</u></em>

<em><u>then game will be fair.</u></em>

You might be interested in
Perimeter refers to the distance around 2-D figure and calculate perimeter, add the side lengths of the figure
viva [34]

Answer:

True

Step-by-step explanation:

The perimeter is the combined length of all the side lengths of a figure.

3 0
2 years ago
Can someone show me how to work out this example?<br><br><br> (5+44+182−20−10)÷(2+5)
lora16 [44]

Answer:

approximately 35.9

Step-by-step explanation:

(5+44+182-20-10)÷(2+5)

(99+182-20-10)÷(7)

(281-20-10)÷(7)

(261-10)÷÷(7)

(251)÷(7)

approximately 35.9

6 0
3 years ago
Asking again because last time I didnt get an actual answer. What is the surface area of this composite figure?
Katyanochek1 [597]

Answer:

644 cm^2

Step-by-step explanation:

10*7*2+12*7*2+12*10=140+168+120=428

10*12-3*3=111

428+111=539

8*3*4+3*3=96+9=105

539+105=644

3 0
2 years ago
16 2/3 percent of what number is 72
MArishka [77]
The answer is about 432.178
6 0
3 years ago
Which shows a function that is decreasing<br>over its entire graph? Working on it now need ASAP ​
PtichkaEL [24]

One thing everyone always forgets is we don't usually see the <em>entire</em> graph.  Once out of the frame, these functions can do anything they want.

From what we can see, only the bottom right one is always decreasing.

Answer: bottom right

By the way, the top right graph (a vertical line) isn't a function.

7 0
3 years ago
Other questions:
  • ALGEBRA 1, SEM. 2; PLEASE SHOW WORK<br> f(x)=x2+4x+7 in vertex form
    10·2 answers
  • Can you help please!!!!
    12·2 answers
  • for a data set the mean is 3.17 and the range is 1.4. the data set is transformed by adding 0.5 tp each data value. what are the
    13·1 answer
  • What's the prime factorization for 252?
    10·1 answer
  • Please give me an answer
    13·2 answers
  • A system of two linear equations in which the lines are identical is classified as __________.
    9·2 answers
  • 4.Erik works 42 hours a week making $11 hour? His employer pays time and a half for hours over 40. Find his gross pay.
    14·1 answer
  • Sabeena’s pen measures 144 millimeters long. Her pencil measures 18 centimeters long. How many centimeters longer is Sabeena’s p
    14·2 answers
  • Which country would be the BEST trading partner for all three countries in the table?
    5·1 answer
  • Carlos plans to watch 3 movies each month. Write an equation to represent the total number of movies n that he will watch in m m
    10·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!