A doctor notices that 40% of her patients are allergic to peanuts. What is the probability that exactly 3 of her next 4 patients are allergic to peanuts?

a.

0.3456

b.

0.1536

c.

0.960

d.

0.240

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A doctor notices that 40% of her patients are allergic to peanuts. What is the probability that none of her 4 patients are allergic to peanuts?

a.

0.0518

b.

0.1296

c.

0.0256

d.

0.2400