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 |