Answer
1
Work Step by Step
1 is another number for 100% probability. Every day of the week has the letter y in it therefore there is the probability of 1/1 or 1 of a day having a y in it.
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.