Which formula is used to calculate the standard deviation of sample data?
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use this formula:

p(a\b) = p(a and b)/p(b).

take it from here.

if the pizza is divided equally into 2 equal halves then you would get

πr^2/2

where r is the radius of the pizza.

happy to

pls mark as brainliest

need more detail

step-by-step explanation:

lele