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Suppose that the value of stock varies each day from $14 to $25 with a uniform distribution. Find the 20th percentile

a. 2.2
b. 16.2
c. 22.8
d. 14.2

1 Answer

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Final answer:

The 20th percentile of a stock that varies uniformly between $14 to $25 is found by calculating 20% of the range (which is $11) and adding it to the minimum value. The computation results in a 20th percentile of $16.20.

Step-by-step explanation:

The student is asking about finding the 20th percentile of a stock's value when it varies uniformly from $14 to $25. To calculate this, we need to understand that the 20th percentile is a value below which 20% of the data lies. Since the distribution is uniform, the values are equally spaced out between the minimum and maximum values.

The range of the stock values is $25 - $14 = $11. Since we are looking for the 20th percentile, we calculate 20% of the range and add it to the minimum value. This gives us:

20% of $11 = 0.20 × $11 = $2.20

Adding this to the minimum stock value:

$14 + $2.20 = $16.20

Therefore, the 20th percentile of the stock's value is $16.20.

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