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2 years ago

The probability that it rains in London an any particular day is 0.2.

Mathematics

1 answer:

jasenka [17]2 years ago

3 0

Answer:

It is 14.45 percent

Step-by-step explanation:

The first day is independent from the day before. Therefore the first day probability (of rain) is 20 percent.

The second day (depends on the previous day) rainfall probability is 85 percent.

Finally, the third day (it must be rainy to satisfy the total probability) rainfall probability is 85 percent.

The probability of having three consecutive days which are rainy:

P(all rainy)

0.20

0.85

0.1445

or 14.45 percent.

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Find the dimensions of the rectangular box with largest volume if the total surface area is given as 4 cm2. (Let x, y, and z be

Scorpion4ik [409]

Answer:

The dimensions of the rectangular box, x = y = z = 0.817 cm

Step-by-step explanation:

Given;

total surface area of the rectangular box or cuboid = 4 cm²

A rectangular box with largest volume is a cube.

The total surface area of a cube = 6 times square of one edge length.

Let the edge length = given dimensions, x, y, z

x = y = z

6x² = 4

x² = 4/6

$x =\sqrt{\frac{4}{6} }\\\\ x = \frac{2}{\sqrt{6} } \ cm \ = 0.817 \ cm$

Therefore, the dimensions of the rectangular box, x = y = z = 0.817 cm

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Step-by-step explanation:

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2 years ago

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