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Author Question: A zipper manufacturer has found that 1.5 of its zippers are defective. The company averages 4982 ... (Read 77 times)

vHAUNG6011

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on: Jun 24, 2018
A zipper manufacturer has found that 1.5 of its zippers are defective. The company averages 4982 zippers per day. The probability of finding between 90 and 100 defects in a given day is:
 a. 0.4981.
  b. 0.0310.
  c. 0.0360.
  d. 0.5310.
  e. 0.4671.

Question 2

If all possible samples of size n are drawn from an infinite population with a mean of 15 and a standard deviation of 5, then the standard error of the sample mean equals 1.0 only for samples of size:
 a. 5.
  b. 15.
  c. 25.
  d. 75.


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elizabethrperez

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

B

Answer to Question 2

C


vHAUNG6011

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Reply 2 on: Jun 24, 2018
Gracias!

juliaf

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Reply 3 on: Yesterday
Wow, this really help

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