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levacccp [35]
3 years ago
5

A friend has placed a large number of plastic disks in a hat and invited you to select one at random. He informs you that they h

ave numbers on them, and that one of the following is the probability model for the number on the disk you have chosen. Which one is it?
Mathematics
1 answer:
poizon [28]3 years ago
7 0

Answer:

The underlying probability distribution can't be determined  with certainty in this case from the given data, but if we have to take one it would be most preferably the 'Normal Distribution'.

Step-by-step explanation:

The distribution is most probably 'Normal Distribution' as we know that it is the most general and common distribution of all and from the central limit theorem if there is a large sample from any  probability distribution with finite mean and variance, the sample mean approaches a suitable normal distribution and for most of the distributions when the parameters tend to a certain value or may be that is ∞ , the resulting distribution tends to a suitable normal distribution , but the underlying probability distribution can't be determined with certainty in  this case from the given data.

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Write this trinomial in factored form 2a^2 +7a+3
EleoNora [17]

Answer:

(2a + 1)(a + 3) = 2a² + 7a + 3

8 0
3 years ago
6y^2-25y+14 factor <br><br> Help please
LUCKY_DIMON [66]

Answer:

(3y - 2)(2y - 7)

Step-by-step explanation:

To factorise the quadratic

Consider the factors of the product of the coefficient of the y² term and the constant term which sum to give the coefficient of the y- term

Product = 6 × 14 = 84 and sum = - 25

The required factors are - 4 and - 21

Use these factors to split the y- term

6y² - 4y - 21y + 14 ( factor the first/second and third/fourth terms )

2y(3y - 2) - 7(3y - 2) ← factor out (3y - 2) from each term

= (3y - 2)(2y - 7) ← in factored form

8 0
3 years ago
Good afternoon!
Vladimir [108]

9514 1404 393

Answer:

  5) 112°

  6) 40°

Step-by-step explanation:

5) The angle E or ? is half the sum of the intercepted arcs:

  ? = (130° +94°)/2 = 112°

__

6) The angle D is half the difference of the intercepted arcs:

  ? = (135° -55°)/2 = 40°

8 0
2 years ago
Which is more 65 ounces or 4 pounds
STatiana [176]

Answer: 24 oz to lbs = 1.5 lbs in 24 oz. 32 oz to lbs = 2 lbs in 32 oz. 64 oz to lbs = 4 lbs in 64 oz.

Step-by-step explanation:

In 65 oz there are 4.0625 lb.

Which is the same to say that 65 ounces is 4.0625 pounds.

8 0
3 years ago
Read 2 more answers
PLZ HELP ME ////// ///////
allsm [11]
The right answer is A as the angle would be X to the power of 2 indicating A
3 0
3 years ago
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