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tatuchka [14]
2 years ago
8

Can someone please help me? :(

Mathematics
2 answers:
viktelen [127]2 years ago
7 0
I’m pretty sure the answer is B.
Sindrei [870]2 years ago
3 0

Answer:

The answer is A

Step-by-step explanation:

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certain computer virus can damage any file with probability 35%, independently of other files. Suppose this virus enters a folde
Ksivusya [100]

Answer:

0.623 is the probability that between 800 and 850 files get damaged.

Step-by-step explanation:

We are given the following information:

We treat virus can damage computer as a success.

P( virus can damage computer) = 35% = 0.35

The conditions for normal distribution are satisfied.

By normal approximation:

\mu = np = 2400(0.35) = 840\\\sigma = \sqrt{np(1-p)} = \sqrt{2400(0.35)(1-0.35)} = $$23.36

We have to evaluate probability that between 800 and 850 files get damaged.

P(800 \leq x \leq 850) = P(\displaystyle\frac{800 - 840}{23.36} \leq z \leq \displaystyle\frac{850-840}{23.36}) = P(-1.712 \leq z \leq 0)\\\\= P(z \leq 0.428) - P(z < -1.712)\\= 0.666 - 0.043 = 0.623 = 62.3\%

P(800 \leq x \leq 850) = 62.3\%

0.623 is the probability that between 800 and 850 files get damaged.

8 0
3 years ago
Find the distance between-10,-13 and 20,-13
Ray Of Light [21]

Answer:

the distance between these 2 would be 30 units

Step-by-step explanation:

Lets ignore the -13 for now because it doesn't have anything to do with the question

Now simply just add 10+ 20 (i took out the negative because it doesn;t make sense)

10+20

=30

plz brainliest :'D

4 0
3 years ago
I need help with this within the next /0 mins sum1 plz help
guajiro [1.7K]

Answer: Second option.

Step-by-step explanation:

Given the function f(x), which is:

f(x)=x

And given the function g(x), which is:

g(x)=2

You need to substiute the function g(x)=2  into the function  f(x)=x in order to find (fog)(x).

Therefore, through this procedure, you get this answer:

(fog)(x)=(2)

(fog)(x)=2

You can observe that this matches with the second option.

5 0
3 years ago
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3h 10 min + 1h 20 min is equal is to​
Ganezh [65]

Answer:

3h 10 min + 1h 20 min is equal is to 4hr30mins

4 0
2 years ago
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G(x)=x^3-3x^2-4x+12
Ne4ueva [31]
X- intercept= (3, 0), (-2, 0), (2,0)
y= (0, 12)

5. g(x)=(x-3)(x+2)(x-2)


5 0
3 years ago
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