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Author Question: A local concert center reports that it has been experiencing a 15 rate of no-shows on advanced ... (Read 16 times)

melly21297

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on: Jul 24, 2018
A local concert center reports that it has been experiencing a 15 rate of no-shows on advanced reservations. Among 150 advanced reservations, find the probability that there will be fewer than 20 no-shows.
 
  Round the standard deviation to three decimal places to work the problem. A) 0.2451 B) 0.7549 C) 0.7967 D) 0.3187

Question 2

The grade point averages for 10 randomly selected junior college students are listed below. Assume the grade point averages are normally distributed.
 
  Find a 98 confidence interval for the true mean. Round to the nearest
  hundredth.
  2.0 3.2 1.8 2.9 0.9 4.0 3.3 2.9 3.6 0.8
  A) (1.55, 3.53 ) B) (0.67, 1.81 ) C) (2.12, 3.14 ) D) (3.11, 4.35 )


leahm14

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

A

Answer to Question 2

A


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