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Bumek [7]
2 years ago
12

ASAP! Plssssss Tysm.

Mathematics
1 answer:
BabaBlast [244]2 years ago
6 0

Answer:

4×10⁶ is the answer.........

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Computers from a certain manufacturer have a mean lifetime of 62 months, with a standard deviation of 12 months. The distributio
Goryan [66]

Answer:

Between 38 and 86 months.

Step-by-step explanation:

Chebyshev Theorem

The Chebyshev Theorem can also be applied to non-normal distribution. It states that:

At least 75% of the measures are within 2 standard deviations of the mean.

At least 89% of the measures are within 3 standard deviations of the mean.

An in general terms, the percentage of measures within k standard deviations of the mean is given by 100(1 - \frac{1}{k^{2}}).

In this question:

Mean of 62, standard deviation of 12.

Between what two lifetimes does Chebyshev's Theorem guarantee that we will find at least approximately 75% of the computers?

Within 2 standard deviations of the mean, so:

62 - 2*12 = 38

62 + 2*12 = 86

Between 38 and 86 months.

6 0
3 years ago
Can someone help me solve this please do I use sin cos or tan?
kirza4 [7]
X = √3 * ( 1 / cos(60°) ) = 2√3
y = √3 * tan(60°) = 3

hope I helped.
8 0
3 years ago
Read 2 more answers
0.2cubed + (1/5 * 3/4) - 1/12
solmaris [256]

Answer:

Step-by-step explanation:

0.2³ + (1/5 × 3/4) - 1/12

According to my syllabus, we use BODMAS. i.e <em>Brackets, Of, Division, Multiplication, Addition </em>and <em>Subtraction</em> in that order.

0.2³ +  3/20 - 1/12

0.008 + 3/20 - 1/ 12

Change the decimal to a fraction and work out the rest.

6 0
3 years ago
hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh
cricket20 [7]

Answer:

The answer is H

Step-by-step explanation:

Next time pls ask real question

8 0
2 years ago
Select the correct answer
Kitty [74]

Answer:

(4,-7)

Step-by-step explanation:

-w=(5,-3)

-z=(-1,-4)

so -w-z=(5-1,-3-4)

4 0
3 years ago
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