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Author Question: What is the relative frequency of fatal train derailments? ... (Read 23 times)

roselinechinyere27m

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on: Jul 24, 2018
What is the relative frequency of fatal train derailments?

Question 2

A 95 confidence interval for p the proportion of supermarket customers who do not buy house-brand products at all is calculated and turns out to be: (0.18, 0.46). For each of the following statements determine whether it is true or false. There is a 95 probability that the population proportion of supermarket customers who do not buy house-brand products at all lies between 18 and 46.
 a. True
  b. False


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janeli1

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

Roughly 1 per year or roughly 1 per every 5 million train trips.

Answer to Question 2

B


roselinechinyere27m

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Reply 2 on: Jul 24, 2018
Gracias!

connor417

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Reply 3 on: Yesterday
Excellent

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