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Question: data are drawn from a bellshaped distribution with a mean...

Question details

Data are drawn from a bell-shaped distribution with a mean of 160 and a standard deviation of 5. There are 1,400 observations in the data set.

a.

Approximately what percentage of the observations are less than 170? (Round your answer to 1 decimal place.)

  Percentage of observations   
b.

Approximately how many observations are less than 170? (Round your answer to the nearest whole number.

  Number of observations   
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