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Algebra

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Difficult

Binomial Probability Advanced

ALGEBR-$RYBYA

Suppose that for a certain condition, 75% of patients who have surgery improve. Ten patients who have the condition have the surgery.

What is the probability that at least 8 of them improve?

A

$52.6\%$

B

$.66\%$

C

$17\%$

D

$6.25\%$