
Basic stats help please
thank you I cant figure this out
Its believed that 4% of children have a gene that may be linked to juvenile diabetes. Researchers hoping to trackk 20 of these children for several years test 732 newborns for the presence of this gene. What the probability they find enough subjects for their study?

The distribution is binomial because:
each newborn is assumed to be independent of one another
there is a fixed probability a newborn has the gene
fixed number of newborns in the study
only two outcomes: has gene or does not have gene
This is a cumulative probability question, so you need a graphics calculator to solve $\displaystyle P(X \geq 20) $