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Ainat [17]
3 years ago
9

What are two ways technology has helped improve in the way we deal with waste?

Computers and Technology
2 answers:
Anna11 [10]3 years ago
5 0

Answer:

The use of electricity helps use less oil.

Explanation:

topjm [15]3 years ago
3 0
It allow us to monitor and study our environment to better understand how it works and the impact of our actions on it and It allows for paperless communication like email and online bill paying to reduce the amount of trees cut down
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Which leader of the Jamestown colony am I?
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Fifty-three percent of U.S households have a personal computer. In a random sample of 250 households, what is the probability th
aleksley [76]

Answer:

The correct Answer is 0.0571

Explanation:

53% of U.S. households have a PCs.

So, P(Having personal computer) = p = 0.53

Sample size(n) = 250

np(1-p) = 250 * 0.53 * (1 - 0.53) = 62.275 > 10

So, we can just estimate binomial distribution to normal distribution

Mean of proportion(p) = 0.53

Standard error of proportion(SE) =  \sqrt{\frac{p(1-p)}{n} } = \sqrt{\frac{0.53(1-0.53)}{250} } = 0.0316

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So, likelihood that fewer than 120 have a PC

= P(x < 120)

= P(  p^​  < 0.48 )

= P(z < \frac{0.48-0.53}{0.0316}​)      (z=\frac{p^-p}{SE}​)  

= P(z < -1.58)

= 0.0571      ( From normal table )

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3 years ago
Consider the following class interfaces:
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Documentary photographers strive to produce what type of image?
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