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2 years ago

Can someone help me this?:(

Mathematics

1 answer:

Fofino [41]2 years ago

4 0

Answer:

1. 1, 2, 3, 4

2. A

3. empty set

4. I

5. A

6. O

7. I

8 E and O

9. A

10. I

11. U

12. U

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Rudiy27

Answer:

Q. 4.

-> $3,333

Q. 5

-> $40,000

3 0

3 years ago

Read 2 more answers

laiz [17]

Answer:

B) 0.02

Step-by-step explanation:

Use the Binomial Theorem

$\displaystyle P(X=x)=\binom{n}{x}p^xq^{n-x}\\\\P(X=4)=\binom{30}{4}(0.30)^4(1-0.30)^{30-4}\\\\P(X=4)=\frac{30!}{4!(30-4)!}(0.30)^4(0.70)^{26}\\ \\P(X=4)=\frac{30!}{4!(26)!}(0.30)^4(0.70)^{26}\\ \\P(X=4)=\frac{30*29*28*27}{4*3*2*1}(0.30)^4(0.70)^{26}\\ \\P(X=4)=27405(0.30)^4(0.70)^{26}\\\\P(X=4)\approx0.0208$

We have the probability of success, $p=0.30$ , and the probability of failure, $q=1-0.30=0.70$ . The binomial coefficient, $\binom{n}{k}$ , represents the amount of possible combinations that $k$ items can be chosen out of $n$ items, with its respective formula $\frac{n!}{k!(n-k)!}$ .

Hence, the best choice for the probability that 4 students chosen at random from the class of 30 that want the next test to be on Monday will be option B, 0.02

7 0

2 years ago

Explain why a triangle can't have two right angles

Sedbober [7]

Answer: They would be a rectangle.

Step-by-step explanation:

2 right angles need at least 4 sides, making it impossible to have a 3-sided 2 right angle triangle.

8 0

3 years ago

The photo has a width of 720 pixels. The photo has a height of 540 pixels.

jarptica [38.1K]

Answer:

<h2>Required Answer :-</h2>

Ratio = Width: Height

Ratio = 720 : 540

Cancelling 0

Ratio = 72 : 54

Cancelling by 9

Ratio = 8 : 6

Cancelling be 2

Ratio = 4 : 3

7 0

3 years ago

Read 2 more answers

The graph below represents which system of inequalities?

mamaluj [8]

The graph below represents y < 2 over 3x − 2 | y > 2x + 2 system of inequalities. The answer is letter C. The rest of the choices do not answer teh qustion above

3 0

3 years ago

Read 2 more answers