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2 years ago

Which inequality represents the graph shown below?

Mathematics

2 answers:

WARRIOR [948]2 years ago

8 0

Answer:

x > -2

Step-by-step explanation:

Details understood from the graph :

Open dot from starting point
Increases from -2

Hence,

Open dot means > or <
Greater means ⇒ >
The inequality is : x > -2

Serggg [28]2 years ago

4 0

Answer:

x>-2

since the arrow goes to the right from -2 it is definitely greater than -2. now see that the line does not include the value -2 itself.. thus, we say it is greater than -2

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tatiyna

Answer:

$\frac{m}{n}$

Step-by-step explanation:

Setting it up as a fraction will help us see the simplification process a bit easier.

$\frac{am}{an}$

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The probability that an American CEO can transact business in a foreign language is .20. Twelve American CEOs are chosen at rand

NNADVOKAT [17]

Answer with Step-by-step explanation:

We are given that

The probability that an American CEO can transact business in foreign language=0.20

The probability than an American CEO can not transact business in foreign language= $1-0.20=0.80$

Total number of American CEOs chosen=12

a. The probability that none can transact business in a foreign language= $12C_0(0.20)^0(0.80)^{12}$

Using binomial theorem $nC_r(1-p)^{n-r}p^r$

The probability that none can transact business in a foreign language= $\frac{12!}{0!(12-0)!}(0.8)^{12}=(0.8)^{12}$

b.The probability that at least two can transact business in a foreign language= $1-P(x=0)-p(x=1)=1-((0.8)^{12}+12C_1(0.8)^{11}(0.2))=1-((0.8)^{12}+12(0.8)^{11}}(0.2))$