Answer:
5
Step-by-step explanation:
in each sample there were 50 students, in a group of 800 there would be 16 samples taken, if you divide the total amount of kids with Novemeber birthdays, 80 by the amount of samples, 16, youll learn that in each sample there are 5 students to have a birthday in november within each sample, hope this helps.
A ratio is the quantitative relation between two amounts showing the number of times one value contains or is contained within the other.
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We can write a proportion between short and long legs:

Solving for k yields
