Solution:
Given:
From the table, the probability that Michiko will hava a quiz on Wednesday is 0.070.
This is the probability of success.
Hence, the probability that Michiko will not have a quiz on Wednesday is the probability of failure.
Thus,
Hence, the probability of failure (the probability that Michiko will not have a quiz on Wednesday is 0.93.
As a percent,
Therefore, the probability that Michiko will not have a quiz on Wednesday is 93%