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vesna_86 [32]
3 years ago
5

What is the distance between (3, 7 and (15, 16)

Mathematics
1 answer:
Artist 52 [7]3 years ago
4 0
D = √( (x2 - x1)^2 + (y2 - y1)^2 )
D = √( (15-3)^2 + (16 - 7)^2 )
D = √ ( 12^2 + 9^2 )
D = √ (144 + 81)
D = √225
D = 15
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The graph illustrates a normal distribution for the prices paid for a particular model of HD television. The mean price paid is
marysya [2.9K]

Answer:

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(b) 2.28%

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Step-by-step explanation:

Let <em>X</em> be a random variable representing the prices paid for a particular model of HD television.

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Thus, the approximate percentage of buyers who paid more than $1900 is 0.14%.

(b)

Compute the probability of buyers who paid less than $1400 as follows:

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Thus, the approximate percentage of buyers who paid less than $1400 is 2.28%.

(c)

Compute the probability of buyers who paid between $1400 and $1600 as follows:

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Thus, the approximate percentage of buyers who paid between $1400 and $1600 is 48%.

(d)

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*Use a <em>z</em>-table.

Thus, the approximate percentage of buyers who paid between $1500 and $1700 is 68%.

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Compute the probability of buyers who paid between $1600 and $1700 as follows:

P(1600

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*Use a <em>z</em>-table.

Thus, the approximate percentage of buyers who paid between $1600 and $1700 is 34%.

(f)

Compute the probability of buyers who paid between $1600 and $1900 as follows:

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*Use a <em>z</em>-table.

Thus, the approximate percentage of buyers who paid between $1600 and $1900 is 50%.

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