Let X be the number of days per week that a randomly chosen first-year college student eats at least one meal on campus. The table shows the probability distribution of X.
Number of Days 0 1 2 3 4 5 6 7
Probability 0.05 0.10 0.15 0.20 0.20 0.15 0.10 0.005
What is the probability that a randomly selected first-year college student eats at least one meal on campus at least one day per week?
a. 0.05
b. 0.25
c. 0.50
d. 0.75
e. 0.95