2 years ago

Please help. Find the value of the variable.

Mathematics

1 answer:

timama [110]2 years ago

8 0

Pretty sure the correct answer is 19 :))

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The lifespan, in years, of a certain computer is exponentially distributed. The probability that its lifespan exceeds four years

kompoz [17]

Answer:

The correct answer is " $0.300993e^{-0.300993x}$ ".

Step-by-step explanation:

According to the question,

⇒ $P(x>4)=0.3$

We know that,

⇒ $P(X > x) = e^{(-\lambda\times x)}$

⇒ $e^{(-\lambda\times 4)} = 0.3$

∵ $\lambda = 0.300993$

Now,

⇒ $f(x) = \lambda e^{-\lambda x}$

By putting the value, we get

$=0.300993e^{-0.300993x}$

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2 years ago

Area of the shaded segment=

garik1379 [7]

The area of the entire sector is $(\pi)(6^{2}) \left(\frac{60}{360} \right)=6\pi$

The area of the triangle OAB is $\frac{\sqrt{3}}{4}(6^{2})=9\sqrt{3}$ .

So, the area of the segment is $\boxed{6\pi-9\sqrt{3}}$

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2 years ago

A student evaluated -4 + x for x = 9 1/2 and got an answer of 5 1/2. What might the student have done wrong?

Vikki [24]

-4+x=9.5
x=13.5

The student might have subtracted 9.5-4, which results in the answer 5.5. The correct answer is 13.5.

3 0

3 years ago

Read 2 more answers

Cual es la fracción de 0.7

kakasveta [241]

Answer:

La fracción de 0.7 es 7/10

8 0

3 years ago

Use a truth table to determine whether to two statements are equivalent

I am Lyosha [343]

Answer:

equivalent yan kasi pareho lang den nmn letters lng naiba

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2 years ago