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

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

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

B. What is the probability that 3 are hyperlipidemic?

C. HOw many woul dbe expected to meet the criteria for hyperlipidemia?

Can you show mw how t calculate this type of problem on excel?