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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