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
Alexeev081 [22]
3 years ago
13

Suppose you have a 6-face unfair dice with numbers 1,2,3,4,5,6 on each of its faces. If the probability distribution of throwing

a number up is as follows:
1 with probability 1/12
2 with probability 1/12
3 with probability 1/12
4 with probability 1/12
5 with probability 1/12
6 with probability 1/2

Which of the following statement is correct?

a. The mathematical expectation of the dice throwing a number up is 3.5
b. The mathematical expectation of the dice throwing a number up is 6
c. The mathematical expectation of the dice throwing a number up is 4.25
d. This is not a proper probability distribution because all the probabilities do not sum up to one
Mathematics
1 answer:
kotegsom [21]3 years ago
4 0

Answer:

D is correct

Step-by-step explanation:

Here, we want to select which of the options is correct.

The correct option is the option D

Since the die is unfair, we expect that the probability of each of the numbers turning up

will not be equal.

However, we should also expect that if we add the chances of all the numbers occurring together, then the total probability should be equal to 1. But this does not work in this case;

In this case, adding all the probabilities together, we have;

1/12 + 1/12 + 1/12 + 1/12 + 1/12 + 1/2

= 5(1/12) + 1/2 = 5/12 + 1/2 = 11/12

11/12 is not equal to 1 and thus the probability distribution cannot be correct

You might be interested in
78 davided by 21 what is the anerw
ira [324]

Answer:

Step-by-step explanation:

3.714285714285714‬

3 0
3 years ago
If you have 8 bagels and they cost 14.89 what’s the unit rate
barxatty [35]
14.89/8

Divide by 8/8

Final Answer: 1.86/1 (Rounded)
3 0
3 years ago
Leslie started last week with $1200 in her checking account. During the week, she wrote the checks below. Trans typ./ Check no.
Greeley [361]

Answer:d

Step-by-step explanation:

6 0
3 years ago
Select whether the triangle is inscribed in the circle, circumscribed about the circle, or neither.
Ganezh [65]
Neither inscribed in the circle, nor circumscribed about it! 2 if the sides of the triangle are TANGENT to the circle, which means just touching at one point


3 0
3 years ago
Read 2 more answers
Which set represents the same relation as the graph below?
Svetllana [295]

Answer:

start with root and minus with 3 and 8 and answer show

5 0
2 years ago
Other questions:
  • Malia is placing a barrier around the edge of a circular path with a diameter of 13 meters. The barriers are in lengths of 2.5 m
    7·2 answers
  • A doll house uses a scale factor of 1 over 12 . The perimeter of a square room in the doll house is 36 inches . What is the leng
    6·1 answer
  • Find the values of x and y.
    10·2 answers
  • a manufacturer uses a mold to make a part in the shape of a triangular prism. The dimensions of this part are shown below. Whic
    10·1 answer
  • What is the domain of the function shown on the graph?
    8·1 answer
  • What is 791.483 rounded to the nearest whole number?<br><br><br> please help me!!
    10·1 answer
  • Compare 2.3 and 2.03
    7·1 answer
  • The tables given stretch for the linear functions f(x) and g(x). What is the input value for which f(x) and g(x) is true?
    6·1 answer
  • Linear equations need help ASAP lots of points, will mark brainliest
    12·1 answer
  • A patient is to take 7 mL of amoxicillin 250 mg/5 mL. How many milligrams?
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!