Using it's concept, it is found that there is a 0.041 = 4.1% probability the chosen volunteer does NOT possess Yq77.
A probability is given by the number of desired outcomes divided by the number of total outcomes.
Researching the problem on the interest, it is found that:
Hence:
p = 25/615 = 0.041.
There is a 0.041 = 4.1% probability the chosen volunteer does NOT possess Yq77.
More can be learned about the probability concept at https://brainly.com/question/15536019