The summer solstice can occur on any day of the week, with each day being equally likely. What is the probability the summer solstice will occur on a weekday? a. 1/5 b. 1/7 c. 5/7 d. 7/5
In a week, there are 7 days. Out of these 7, 5 are weekdays and 2 are weekends. The probability of the summer solstice occurring on a weekday is the ratio of number of weekdays to the number of days in a week. That is, 5/7. Thus, the answer is letter C.
