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Author Question: A study involves 629 randomly selected deaths, with 26 of them caused by accidents. Construct a 98 ... (Read 48 times)

schs14

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on: Jul 25, 2018
A study involves 629 randomly selected deaths, with 26 of them caused by accidents. Construct a 98 confidence interval for the percentage of all deaths that are caused by accidents.
 
  A) 2.58 to 5.69 B) 2.28 to 5.98 C) 2.82 to 5.44 D) 2.09 to 6.18

Question 2

Suppose a coin is tossed four times. Let X denote the total number of tails obtained in the four tosses. What are the possible values of the random variable X?
 
  A) 1, 2, 3, 4
  B) HHHH, HHHT, HHTH, HHTT, HTHH, HTHT, HTTH, HTTT, THHH, THHT, THTH, THTT, TTHH, TTHT, TTTH, TTTT
  C) 1, 2, 3
  D) 0, 1, 2, 3, 4


bdobbins

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

B

Answer to Question 2

D


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