imagine a population evolving by genetic drift in which the frequency of the k allele is 0.2. what is the probability that at some point in the future allele k will drift to a frequency of 1? your answer should be a one decimal place answer.

Breana is selling tickets to a choral performance. on the first day of ticket sales , she sold 3 senior citizen tickets and 1 child ticket for a total of $38. breana took in $52 on the second day by selling 3 senior citizen tickets and 2 child tickets. what is the price of a senior citizen ticket?