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newbuddy newbuddy
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6 years ago
What is the probability that in a particular month the office receives more than 310 orders?
 
  A) 0.7823
  B) 0.2826
  C) 0.7174
  D) 0.2177

Q. 2

One possible error in constructing a histogram is to make the heights of the rectangles, and not the areas of the rectangles, proportional to the frequencies.
 
  Indicate whether the statement is true or false

Q. 3

What is the probability that two of the four don't have air conditioning?
 
  A) 0.121
  B) 0.145
  C) 0.178
  D) 0.212

Q. 4

What is P(B1 )?
 
  A) 0.40
  B) 0.60
  C) 0.15
  D) 0.85

Q. 5

Find the lower confidence limit of the 99 confidence interval.
 
  A) 340.25
  B) 325.98
  C) 319.59
  D) 332.41

Q. 6

A student's IQ is an example of the ratio scale of measurement.
 
  Indicate whether the statement is true or false

Q. 7

What proportion of the total area under the normal curve is within  two standard deviations of the mean?
 
  A) About 50
  B) About 68
  C) About 95
  D) About 99.7
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DragosaniDragosani
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Posts: 239
Rep: 1 0
6 years ago
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newbuddy Author
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#2
6 years ago
Thank you for answering
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