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Rama09 [41]
2 years ago
6

suppose that prices of a certain model of new homes are normally distributed with a mean of $150000. Use the 68-95-99.7 rule to

find the percentage of buyers who paid: between $150000 and $154800 if the standard deviation is $1600
Mathematics
1 answer:
Svetllana [295]2 years ago
5 0

Using the Empirical Rule, it is found that 49.85% of buyers paid between $150,000 and $154,800.

<h3>What does the Empirical Rule state?</h3>

It states that, for a normally distributed random variable:

  • Approximately 68% of the measures are within 1 standard deviation of the mean.
  • Approximately 95% of the measures are within 2 standard deviations of  the mean.
  • Approximately 99.7% of the measures are within 3 standard deviations of the mean.

Considering the given mean and standard deviation, the interval between $150,000 and $154,800 corresponds to the interval between the mean and 3 standard deviations above the mean.

The normal distribution is symmetric(50% above the mean, 50% below), hence the percentage corresponding to this interval is:

P = 0.5 x 99.7% = 49.85%.

More can be learned about the Empirical Rule at brainly.com/question/24537145

#SPJ1

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Step-by-step explanation:

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3 years ago
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3 years ago
Calculate the book value of a new maxi taxi costing $44000 after 5 years if it depreciates each year by 13% a. $22,930.52 b. $21
Marat540 [252]

Answer:

A=$21930.52

Step-by-step explanation:

Given data

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Substitute

A=44000(1-0.13)^5

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3 0
3 years ago
Help me pls !!<br> (Extra points)<br><br> And I need to explain it.
Arturiano [62]

Answer:

true

Step-by-step explanation:

1. simplfy the expression to 7^2 *8/7^3=8/7.

2. that'll give u 8/7=8/7

5 0
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What is 2.95 expressed as a fraction?<br> 0<br> 0<br> 0<br> 0
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