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Approximately 70% of mechanics complete their repairs in one business day. In a garage employing 50 mechanics, what is the probability that at least 40

  • Approximately 70% of mechanics complete their repairs in one business day.
  • In a garage employing 50 mechanics, what is the probability that at least 40 will finish their repairs in one day?

In a Microsoft Word document, respond to the following questions. Be certain to include your name, date, and assignment information in your document:

Problem 1: This is a binomial problem because there is only a success or a __________, there are a definite number of trials, and the probability of a success is 0.70 for each trial.

Problem 2: If we are interested in the number of mechanics who complete their repairs in one day, then how do we define X?

Problem 3: What values does X take on?

Problem 4: What is a "failure", in words?

The probability of a success is p = 0.70. The number of trial is n = 50.

Problem 5: If p + q = 1, then what is q?

Problem 6: The words "at least" translate as what kind of inequality?

The probability question is P (X ? 40).

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