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ra1l [238]
4 years ago
15

A fair coin has 2 sides (heads and tails) that are equally likely to show when the coin is flipped. A person claims that if you

flip a fair coin, the probability of getting a head is 50% because the coins is fair and both sides are equally likely to land face up. Is this an example of a theoretical probability or an empirical probability
Mathematics
1 answer:
MissTica4 years ago
8 0

Answer:

This is a theoretical probability

Step-by-step explanation:

<u>Explanation:</u>-

<u>Theoretical probability</u>:-

Theoretical probability is the theory behind probability.To find the probability of an event using theoretical probability,it is not required to conduct an experiment.

The theoretical probability is defined as the ratio of the number of favorable outcomes to the number f possible outcomes.

probability of event(P(E)=\frac{no.of favorable outcomes}{no.of possible outcomes}

<u>Empirical probability:</u>-

The definition of probability breaks down when do not have a complete priori analysis , that is when the outcomes of the trial are not equally likely or when the total number of trials is infinite or when the enumeration of all equally likely events is not possible.so this is called statistical or empirical definition of probability or experimental probability.

  Probability of event P(E)  =\frac{no.of times that event occurs}{total number of trials}

The basic difference between these two approaches is that in the experimental approach,the probability of an event is based on what has actually happened by conducting a series of actual experiments and the theoretical approach   we attempt predict what will occur without actually performing the experiments.

Given example is equally likely events so this is theoretical probability.

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icang [17]
We have that
<span>y = 3.5x − 3.5
y =−3.5x + 3.5

using a graph tool
see the attached figure

the solution is the point (1,0)
x=1
y=0

the answer is
one solution</span>

3 0
3 years ago
Which value of n makes the value of the expression 4n+3 a composite number? <br> 1<br> 2<br> 3<br> 4
Len [333]

Answer: \mathrm{Axis\:interception\:points\:of}\:4n+3:\quad \mathrm{X\:Intercepts}:\:\left(-\frac{3}{4},\:0\right),\:\mathrm{Y\:Intercepts}:\:\left(0,\:3\right)

\mathrm{Slope\:of\:}4n+3:\quad m=4

4 0
3 years ago
The length, width, and height of a rectangular box are represented by 2x, 3x + 1, and 5x - 6, respectively. When the volume is e
natali 33 [55]

Answer:

The coefficient of the 2nd term is - 26

Step-by-step explanation:

  • <em>Standard form of polynomial means its terms are ordered from greatest exponent to smallest exponent </em>
  • <em>The leading coefficient in polynomial is the coefficient of the first term in a polynomial in standard form</em>

∵ The length, width, and height of a rectangular box are

    represented by 2x, 3x + 1, and 5x - 6

∴ l = 2x , w = 3x + 1 , h = 5x - 6

The formula of the volume of a rectangular box is V = l × w × h

∵ V = 2x(3x + 1)(5x - 6)

- multiply the two brackets at first

∵ (3x + 1)(5x - 6) = (3x)(5x) + (3x)(-6) + (1)(5x) + (1)(-6)

∴ (3x + 1)(5x - 6) = 15x² + (-18x) + 5x + (-6)

- Add the like terms

∴ (3x + 1)(5x - 6) = 15x² + (-18x + 5x) + (-6)

∴ (3x + 1)(5x - 6) = 15x² + (-13x) + (-6)

- Remember (-)(+) = (-)

∴ (3x + 1)(5x - 6) = 15x² - 13x - 6

Substitute it in V

∴ V = 2x(15x² - 13x - 6)

- Multiply each term in the bracket by 2x

∴ V = 2x(15x²) - 2x(13x) - 2x(6)

∴ V = 30x³ - 26x² - 12x ⇒ in standard form

∵ The second term in the polynomial is - 26x²

∴ Its coefficient is - 26

∴ The coefficient of the 2nd term is - 26

3 0
3 years ago
Help..................
Salsk061 [2.6K]

Answer:

Yes

Step-by-step explanation:

It has a 45 degree angle

5 0
4 years ago
Read 2 more answers
HOW DO THE EXPRESSION 4(3+X) AND (3+3+3+3)+(X+X+X+X) COMPARE TO ANOTHER
UkoKoshka [18]
They are equal to one another because 4(3+x) can be rewritten using the distributive property as 4(3)+4x or 3+3+3+3+x+x+x+x
8 0
4 years ago
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