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Nostrana [21]
3 years ago
6

Why we can not see objects around us in the dark​

Computers and Technology
1 answer:
malfutka [58]3 years ago
4 0

Answer:

We see an object when light falls on it and gets reflected from its surface and enters our eyes. In a dark room, there is no source of light. no light falls on the surface of objects and we do not see them. This is why we cannot see the objects in a dark room.

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Yes, because the upper limit is less Than 8 minutes

Explanation:

According to the empirical formula :

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Hence,

Mean ± 1(standard deviation)

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Sample mean, xbar = Σx / n = 546 / 100 = 5.46

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Lower = (5.460 - 2.475) = 2.985

Upper = (5.460 + 2.475) = 7.935

(2.985 ; 7.935)

Since the interval falls within ; (2.985 ; 7.935) whose upper level is less than 8 means patients will have to wait less Than 8 minutes.

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2 years ago
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Cognitive surplus results when leisure time and available tools allow us to engage in creative acts. It is a term that was introduced by Clay Shirky which pertains to the synthesis of the excess of people's energy, time and creativity leading to productivity sharing and creation.
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3 years ago
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