Find the Indicated Probability. Express Answers as Decimals

question 74

Multiple Choice

Find the indicated probability. Express answers as decimals.
-A sample of 4 different calculators is randomly selected from a group containing 45 that are defective and 30 that have no defects. What is the probability that all four of the calculators selected are defective?

• A)5.4368
• B)0.1226
• C)0.1975
• D)0.1296

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Definitions:

Stock Price

The current price at which a share of a company is being traded on the stock market.

Diversification

Diversification is an investment strategy aimed at reducing risk by allocating investments among various financial instruments, industries, or other categories.

Unsystematic Risk

The risk associated with a specific company or industry that can be mitigated through diversification.

Systematic Risk

The risk inherent to the entire market or market segment, also known as market risk or un-diversifiable risk.