Evidence for Inflation: What Is the Observational Evidence the Universe

question 71

Essay

Evidence for Inflation: What is the observational evidence the universe underwent a brief but very rapid period of inflation at the end of the GUT era, early in the history of the Universe. Does any of this evidence count as direct observational evidence? Does the validity of the Big Bang depend on inflation being correct?

Understand the application of cumulative distribution functions.

Understand the properties and behaviors of different probability distributions including normal, exponential, triangular, and uniform distributions.

Calculate probabilities and parameters (mean, variance, expected value) for various probability distributions.

Distinguish between characteristics of continuous and discrete probability distributions.

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Definitions:

Acid-Test Ratio

A financial ratio indicating a firm's capacity to settle short-term debts without having to sell its stock.

Marketable Securities

Financial instruments that can be easily converted to cash, such as stocks, bonds, and Treasury bills.

Earnings Per Share

A metric used to measure a company’s profitability, calculated as the company's net profit divided by the number of outstanding shares.

Net Income

The total profit of a company after all expenses, including taxes and operating costs, have been subtracted from total revenues.