Adderall is a blend of four different amphetamine salts. Like Ritalin, Adderall keeps norepinephrine and dopamine working in the brain. But Adderall does something that Ritalin doesnât. It makes the cells pump out more of the neurotransmitters.
A standard normal distribution table shows a cumulative probability associated with a particular z-score. Table rows show the whole number and tenths place of the z-score. Table columns show the hundredths place. The cumulative probability (often from minus infinity to the z-score) appears in the cell of the table.
3. Create the curve formula. The formula for the normal distribution probability density function is as follows (reference: Wikipedia) Where sigma (s) is the standard deviation, mu (m) is the mean and x is the profit bin as calculated above. Translating this into Tableau, we get a calculated field as follows.