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Author Question: A survey of 100 fatal accidents showed that in 33 cases the driver at fault was inadequately ... (Read 123 times)

imowrer

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on: Jul 25, 2018
A survey of 100 fatal accidents showed that in 33 cases the driver at fault was inadequately insured. Find a point estimate for p, the population proportion of accidents where the driver at fault was inadequately insured
 
  A) 0.248 B) 0.67 C) 0.33 D) 0.493

Question 2

Furnace repair bills are normally distributed with a mean of 266 dollars and a standard deviation of 15 dollars. If 36 of these repair bills are randomly selected, find the probability that they have a mean cost between 266 dollars and 268 dollars.
 
  A) 0.7881 B) 0.5517 C) 0.2881 D) 0.2119


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fwbard

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

C

Answer to Question 2

C


imowrer

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Reply #2 on: Jul 25, 2018
TY


fwbard

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Reply #3 on: Jul 25, 2018
You're welcome


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