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Author Question: Holding the sample size fixed, increasing the level of confidence in a confidence interval will ... (Read 212 times)

sam.t96

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on: Jun 24, 2018
Holding the sample size fixed, increasing the level of confidence in a confidence interval will necessarily lead to a wider confidence interval.
 
  Indicate whether the statement is true or false

Question 2

You were told that the amount of time lapsed between consecutive trades on the New York Stock Exchange followed a normal distribution with a mean of 15 seconds. You were also told that the probability that the time lapsed between two consecutive trades to fall between 16 to 17 seconds was 13. The probability that the time lapsed between two consecutive trades would fall below 13 seconds was 7. The probability is 80 that the time lapsed will be longer than how many seconds?
 
  What will be an ideal response?


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chloejackso

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

TRUE

Answer to Question 2

14 seconds


sam.t96

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Reply 2 on: Jun 24, 2018
YES! Correct, THANKS for helping me on my review

alvinum

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Reply 3 on: Yesterday
Wow, this really help

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