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Firlakuza [10]
3 years ago
7

What is Probability?

Mathematics
2 answers:
Ulleksa [173]3 years ago
5 0
Probability<span> is the measure of the likelihood that an event will occur.

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Lemur [1.5K]3 years ago
5 0
Probability is the extent to which something is probable, it can be something happening or being the case
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Max tosses a Fair coin 3 times what is the probability of getting heads in the first two trials and Tails in the last trial
Gennadij [26K]
.5 * .5 *.5 = 1/8 
-
-
the probability to have head is .5 so the probability of tails 1-.5 
-
then the first time is head  
the second time is head 
the third time is tail 
so 
.5 * .5 *.5 = 1/8 
5 0
3 years ago
Read 2 more answers
Solve the polynomial inequality x^2-3x-10&gt;0
djverab [1.8K]

As x² - 3x - 10 factors, we can use the zero product property and pull it apart into factors. It factors because 2 and 5 have a difference of 3 and product of 10

x² - 3x - 10 > 0

(x - 5)(x + 2) > 0

To find where the inequality is true, we use a sign test. When x-5 > 0, it means x >5, and 5 is one of our sign test values. Similarly, -2 is the other. We can then make three intervals - A (less than -2), B (between -2 and 5), and C (more than 5).

<--------------- -2 ------------------ 5 -------------------------->

A B C

To do a sign test, we choose values to see what happens. First, test x = -5.

(-5 - 5)(-5 + 2) = (-10)(-3) = 30. Because 30 > 0, the inequality is true for x < -2. So interval A is true.

Next, test x = 0.

(0 - 5) (0 + 2) = (-5)(2) = -10. Because -10 < 0 is false, the inequality is false for x > -2 and x < 5. So interval B is false.

Last, test x = 10

(10 - 5) (10 + 2) = (5) (8) = 40. Because 40 > 0 is true, the inequality is true for x > 5. So interval C is true.

We put the true intervals together.

(-∞, -2) ∪ (5, ∞) is where this inequality is true,

{x : x < -2 or x > 5} is also how it's said in set notation.

7 0
3 years ago
Hi i need a lil help 6(x + 4) = 48 x=
valkas [14]

Answer:

x=4

Step-by-step explanation:

6(8) = 48

4 0
3 years ago
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How do you find the area of a rectangle
REY [17]

Answer: multiple the length vu the width

Step-by-step explanation:

5 0
3 years ago
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Answer and explanation thanks
castortr0y [4]
75% of people enjoy rock music.

24÷32 = .75
5 0
3 years ago
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