A recent study reported that the prevalence of hyperlipidemia (defined as total cholesterol over 200) is 30% in children 2-6 years of age. If 12...

A recent study reported that the prevalence of hyperlipidemia (defined as total cholesterol over 200) is 30% in children 2-6 years of age. If 12 children are analyzed,

A.   What is the probability that at least 3 are hyperlipidemic?

B.   What is the probability that 3 are hyperlipidemic?

C.   How many would be expected to meet the criteria for hyperlipidemia?