A certain soda company, "Pop's Soda", claims that 90% of soda drinkers prefer their soda over the other major brands of

[answerhappygod]

A certain soda company, "Pop's Soda", claims that 90% of sodadrinkers prefer their soda over the other major brands of soda. Ifthis is true, what is the probability that, in a blind taste testinvolving 30 randomly selected soda drinkers, exactly 90% of thosesampled will say they prefer "Pop's Soda" over the other brands ofsoda tasted?
Round to four decimal places if necessary