Mathematics, 13.12.2019 22:31 coontcakes

Do you think the experimental probability can ever be equal to the theoretical probability? why or why not?

Answers: 3

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Ok so theoretical probability- what should happen after testing experimental probability- what did happen after testing This is true, but to expand on this: Suppose we toss a fair (non weighted) coin. The theoretical probability of getting a head (or tail) is 1/2 because the coin is fair so we should get an equal number of heads and tails ie. this is what should happen in theory. In practice this doesn't always happen, which is where experimental probability comes in. Experimental probability is the probability of an outcome of an event based on an experiment. For example, if we toss the coin 10 times and get 4 heads and 6 tails we would say that the experimental probability of getting a head is 4/10 = 2/5 and the experimental probability of getting a tail is 6/10 = 3/5. The more experiments we do, the closer the probabilities get to the theoretical probability. Experimental probability is particularly useful when looking at problems which involved events and outcomes for which we don't know a theoretical probability, so we use experimental probability to get an approximation. hope this helps

Answer from: Quest

he used the algebra tiles correctly.

step-by-step explanation:

given : 3x(2x-1)

solution :

since he used algebra tiles .

armando's solution is the same in the solution shown in figure

as he distributed 2x into x and x and wrote them vertically

and also write -1 vertically

and 3x into x and x and x and wrote it horizontally

performing the multiplication in the algebra tiles we get $6x^{2} -3x$

and solving the given expression :

3x(2x-1)

$6x^{2} -3x$

since solving the expression using tiles and solving the expression algebraically we get the same answer

thus we can choose the first statement as the answer to this problem which is "he used the algebra tiles correctly".

Which is true regarding armando’s use of algebra tiles? he used the algebra tiles correctly. he did

Answer from: Quest

d. 8

step-by-step explanation:

the given radical expression is:

$\sqrt{16}\times \sqrt{4}$

we can rewrite this as:

$(16)^{\frac{1}{2}\times (4)^{\frac{1}{2}$

we express as square numbers to get;

$(4^2)^{\frac{1}{2}\times (2^2)^{\frac{1}{2}$

the exponents will now cancel out to give.

$4\times2=8$

the correct answer is d

What is the value of the radical expression shown below

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