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Author Question: In a certain town, 20 percent of voters are in favor of a given ballot measure and 80 percent are ... (Read 182 times)

@Brianna17

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In a certain town, 20 percent of voters are in favor of a given ballot measure and 80 percent are
  opposed. For groups of 120 voters, find the mean for the number who oppose the measure.
 
  A) 80 B) 96 C) 20 D) 24

Question 2

Scores on a test are normally distributed with a mean of 63.2 and a standard deviation of 11.7. Find
  P81, which separates the bottom 81 from the top 19.
 
  A) 66.6 B) 73.5 C) 0.88 D) 0.291



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apple

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Answer to Question 1

B

Answer to Question 2

B




@Brianna17

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Reply 2 on: Jul 25, 2018
Thanks for the timely response, appreciate it


bigsis44

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Reply 3 on: Yesterday
Wow, this really help

 

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