In Oracle, use the ____ command to display the structure of a table

Time series is a category of statistical techniques that uses historical data to predict future behavior

Indicate whether this statement is true or false.

When using the normal distribution to approximate demand, which of the following is not true?

A) We assume demand is normally distributed. B) We assume demand is a random variable. C) We assume 50 percent of the time demand is less than the mean. D) We assume the fixed cost follows a normal distribution. E) All of the above are true.