When earth is between the moon and the sun, the fully lit face of the moon is seen from earth. this phase of the moon is called a moon. a) crescent b) full c) gibbous d) new

Arecent survey shows that the probability of a college student drinking alcohol is 0.6. further, given that the student is over 21 years old, the probability of drinking alcohol is 0.8. it is also known that 30% of the college students are over 21 years old. the probability of drinking or being over 21 years old is