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lakkis [162]
3 years ago
13

September 28: On this date in 1918 a parade in Philadelphia triggered a flu epidemic in the city that eventually killed 12,000 p

eople there, despite the city being quarantined once the problem became apparent.This was part of the worldwide flu pandemic that killed an estimated 50 million people. Across the United States, 675,000 people fell victim; in Latin America, 1% of the population died, in Africa, 1.5%, in Asia, 3.5%. Twenty percent of the population of India died, as did 10% of Tahiti’s population.The population of Philadelphia was about 2 million and the U.S. population was 103.21 million in 1918. What percentage of the population of the U.S. died during the pandemic of 1918?
Mathematics
1 answer:
Margaret [11]3 years ago
5 0
48% 
I think, hope this helps
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Answer:

c = ≥ (23 - 15) therefore c = ≥ 8

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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
timurjin [86]

Answer: For California: μ = 33.1; σ² = 1120.50; Range = 32;

For Iowa: μ = 24.5; σ² = 32.73; Range = 19

Step-by-step explanation:

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

μ = ∑x / n, where

x is each number of the set;

n is the total individuals in the sample.

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:

μ₂ = \frac{28+25+35+16+25+29+24+26+17+20}{10} = 24.5

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

σ² = (∑x-μ)² / n -1

which means to find the variance, you have to get the difference between the number and the mean, square the result, add all of them and then divide by (n-1) individuals.

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:

  • Mean = 33.1;
  • Variance = 120.50;
  • Range = 32;

For Iowa:

  • Mean = 24.5;
  • Variance = 32.73;
  • Range = 19;

<u />

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3 years ago
If f(x) = 3x – 2 and g(x) = 6 – 4x, find f(x) + g(x)
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f(x)+g(x)=3x-2+6-4x=-x+4
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