# Critique my null and alternative hypothesis (beginner)

I'm new to writting these, so I want critique on if I'm doing them correctly and how I can write them better.

"You want to know if a drug works better than a placebo for it at increasing the number of the number of white blood cells."

$H_{0}$ = The population of white blood cells when given the drug is not significantly different to the population of white blood cells after taking the drug.

$H_{a}$ = The drug is statistically significantly better at increasing the number of white blood cells in the population.