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Nataly_w [17]
2 years ago
12

I WILL MARK BRAINLIEST FOR CORRECT ANSWER :)

Mathematics
2 answers:
blagie [28]2 years ago
8 0

Answer:

It would be 14 because as it says for the graph.

And I would appreciate if you guys would help me out with my struggles question please.

Ostrovityanka [42]2 years ago
4 0

The answer to that question would be 14
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1 Devin brings 7 dolls to her grandma's house. These dolls represent 20% of Devin's doll collection. What is the total number of
wel

Answer:

35

Step-by-step explanation:

20% * x = 7

20/100 * x= 7

x = 7 *100/20  (7*100÷20)

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2 years ago
How do you write 5.44 in words?
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Answer:

five and forty-four hundredths

Step-by-step explanation:

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3 years ago
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Assume that we have two events, and , that are mutually exclusive. Assume further that we know and . If an amount is zero, enter
sweet [91]

Answer:

Explained below.

Step-by-step explanation:

The complete question is:

Assume that we have two events, A and B, that are mutually exclusive. Assume further that we know P(A) = 0.30 and P(B) =0.40.

What is P(A and B)?

What is P(A | B)?

Is P(A | B) equal to P(A)?

Are events A and B dependent or independent?

A student in statistics argues that the concepts of mutually exclusive events and independent events are really the same, and that if events are mutually exclusive they must be independent. Is this statement accurate?

What general conclusion would you make about mutually exclusive and independent events given the results of this problem?

Solution:

The probability of the two events <em>A</em> and <em>B</em> are:

P(A) = 0.30 and P(B) =0.40

(a)

Compute the value of P (A ∩ B) as follows:

P(A\cap B)=0

This is because mutually exclusive events are those events that cannot occur together.

(b)

Compute the value of P (A | B) as follows:

P(A|B)=\frac{P(A\cap B)}{P(B)}=\frac{0}{0.40}=0

Thus, the value of P (A | B) is 0.

(c)

No, P (A | B) is not equal to the P (A).

(d)

As mentioned in part (a), mutually exclusive events are those events which cannot occur together.

That is, P(A\cap B)=0.

Events A and B are independent  if the chance of their concurrent happening is equivalent to the multiplication of their distinct probabilities.

That is, P(A\cap B)=P(A)\times P(B).

The concepts of mutually exclusive events and independent events are not the same.

(e)

As the it is provided that A and B are mutually exclusive events, we know that P(A\cap B)=0.

Now compute the value of P(A)\times P(B) as follows:

               P(A)\times P(B)=0.30\times 0.40=0.12\neq 0

Thus, the events A and B are not independent.

Thus, if two events are mutually exclusive events they cannot be independent.

4 0
3 years ago
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Answer:

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7x+6 ≥ -(x-6)

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7x+x+6 ≥ -x+x+6

8x+6 ≥ 6

Subtract 6 from each side

8x+6-6 ≥ 6

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Divide by 8

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7)81° due to the fact that (7) and (3) are corresponding angles with equal the same degree
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