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Author Question: The average labor time to sew a pair of denim jeans is 4.2 hours with a standard deviation of 30 ... (Read 79 times)

Lisaclaire

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on: Jun 24, 2018
The average labor time to sew a pair of denim jeans is 4.2 hours with a standard deviation of 30 minutes. If the distribution is normal, then the probability of a worker finishing a pair of jeans in less than 3.5 hours is:
 a. 0.0808.
  b. 0.4192.
  c. 0.5808.
  d. 0.9192.
  e. 0.9808.

Question 2

True or False The sample proportion can be considered a random variable that will take on different values as the procedure leading to the sample proportion is repeated a great many times.
  Indicate whether the statement is true or false


EAN94

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Reply #1 on: Jun 24, 2018
Answer to Question 1

A

Answer to Question 2

T


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