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Author Question: In a study, 35 of adults questioned reported that their health was excellent. A researcher wishes to ... (Read 96 times)

ts19998

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on: Jul 25, 2018
In a study, 35 of adults questioned reported that their health was excellent. A researcher wishes to study the health of people living close to a nuclear power plant.
 
  Among 11 adults randomly selected from this area, only 3 reported that their health was excellent. Find the probability that when 11 adults are randomly selected, 3 or fewer are in excellent health.
  A) 0.2001 B) 0.2254 C) 0.4256 D) 0.3041

Question 2

A computer manufacturer wishes to estimate what proportion of their laptop computers are defective. Obtain a sample size that will ensure a margin of error of at most 3.5 percentage points for a 95 confidence interval.
 
  A) 785 B) 3137 C) 28 D) 197


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mcomstock09

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Reply #1 on: Jul 25, 2018
Answer to Question 1

C

Answer to Question 2

A


ts19998

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Reply 2 on: Jul 25, 2018
Wow, this really help

xiaomengxian

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Reply 3 on: Yesterday
Excellent

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