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timama [110]
2 years ago
14

A population of largemouth bass is 950 this year and the rate of decrease is 35% per year. How many bass will remain after 15 ye

ars of decay at this rate?
425
617
1
525
332
Mathematics
1 answer:
GalinKa [24]2 years ago
6 0
Hi! I think it’s 425
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Answer:

x = 6.5

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Ten young adults living in California rated the taste of a newly developed sushi pizza topped with tuna, rice, and kelp on a sca
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Answer: For California: μ = 33.1; σ² = 1120.50; Range = 32;

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Step-by-step explanation:

Mean is the average of a population or a sample. It is defined as

μ = ∑x / n, where

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Calculating the <u>Mean</u> for sample of taste of pizza in <u>California</u>:

μ₁ = \frac{34+39+40+46+33+31+34+14+15+45}{10} = 33.1

Calculating the <u>Mean</u> for the sample in Iowa:

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Variance measures how far the number in the set is from the mean. Its formula is

σ² = (∑x-μ)² / n -1

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The <u>Variance</u> for the sample in <u>California</u> is

σ² = \frac{(34 - 33.1)^{2}+(39-33.1)^{2}+(40-33.1)^{2}+(46-33.1)^{2}+(33-33.1)^{2}+(34-33.1)^{2}+(14-33.1)^{2}+(15-33.1)^{2}+(45-33.1)^{2}}{9}σ² = 120.50

The <u>Variance</u> for the sample in <u>Iowa</u> is

σ² = 32.73

Range is the difference between the highest and the lowest number of the set: range = highest - lowest

For the sample in <u>California</u>, the <u>Range</u> is

range = 46 - 14 = 32

For the sample in Iowa:

range = 35 - 16 = 19

For California:

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  • Range = 32;

For Iowa:

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  • Variance = 32.73;
  • Range = 19;

<u />

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