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Alexandra [31]
3 years ago
5

Which of the following statements is not​ true? A. If the probability of an event occurring is​ 0, then it is impossible for tha

t event to occur. B. If P​(​A)equals​0, then the probability of the complement of A is 1. C. If the probability of an event occurring is​ 1.5, then it is certain that event will occur. D. Probability can never be a negative value.
Mathematics
1 answer:
FromTheMoon [43]3 years ago
4 0

Answer:

C. If the probability of an event occurring is​ 1.5, then it is certain that the event will occur.

Step-by-step explanation:

Probability is a value between <em>0 and 1</em> (including both values). Thus, to say that there is a probability of 1.5 is not correct, and, therefore, this statement is not true.

We can rewrite the statement as "If the probability of an event occurring is 1, then it is completely certain that the event will occur."

Statement A.

Suppose the event is A. Then, if P(A) = 0, it is completely certain that the event will not occur. It is true.

Statement B.

\\ if P(A) = 0\;then\;P(\overline{A}) = 1 - 0 = 1. Then, the statement is true.

Statement C.

We already explained the <em>statement C is not true</em> because the values for probabilities are between 0 and 1 (including both values). A probability of 1.5 is meaningless as a result.

Statement D.

For the same reason explained in C, the probability can never be a negative value. So, this statement is also true.  

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Step-by-step explanation:

both halves of a diagonal must be equal.

so,

8b - 30 = 6b + 6

2b = 36

b = 18

and

9a - 13 = 5a + 5

4a = 18

a = 18/4 = 4.5

5 0
1 year ago
An initial amount of 250 grows at a rate of 10% every year. Write an
Bingel [31]

Answer:

10% of 250 = 25.

When getting an increase, (using ^ for this example) add 25 to 250, getting 275. That's one increase of 10%. For an increase of 5 years (x = 5) divide 250/10=25, then multiply 25x5=125. That is the increase number. Add 125+250=375. Y=375

X = 5, Y = 375

7 0
3 years ago
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Tresset [83]

Answer:

Linear function

<h3>y =  \frac{x}{2}  - 5</h3>

Step-by-step explanation:

<h2>y =  \frac{x}{2}  - 5</h2><h3>Linear function</h3>

A linear equation is an equation of a straight line, which means that the degree of a linear equation must be 0 or 1 for each of its variables. In this case, the degree of variable y is 1 and the degree of variable x is 1.

<h2>y =  \frac{2}{x}  + 3</h2><h3>Not linear function</h3>

A linear equation is an equation of a straight line, which means that the degree of a linear equation must be 0 or 1 for each of its variables. In this case, the degree of variable y is 1

, the degrees of the variables in the equation violate the linear equation definition, which means that the equation is not a linear equation.

<h2>y =  {2}^{x}  - 1</h2><h3>Not linear function</h3>

A linear equation is an equation of a straight line, which means that the degree of a linear equation must be 0 or 1 for each of its variables. In this case, the degrees of the variables in the equation violate the linear equation definition, which means that the equation is not a linear equation.

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<h3>Hope it is helpful...</h3>
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kiruha [24]
The answer is yes but its could be false or 6:00
7 0
3 years ago
Evaluate.<br><br> 8/13 ÷ 2/3<br><br> A.16/39<br> B.12/13<br> C.11/15<br> D.24/13
ludmilkaskok [199]

Answer:

  B.  12/13

Step-by-step explanation:

The answer choices suggest that you intend the problem to be interpreted as ...

  (8/13)/(2/3) . . . . . parentheses are required

  = (8/13) × (3/2) = (8·3)/(13·2) = (8·3)/(2·13)

  = (8/2) × (3/13) . . . . making use of the associative property

  = 4 × 3/13 = 12/13

_____

Your calculator can help with these. You do need to get the parentheses right.

3 0
2 years ago
Read 2 more answers
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