Probability theory and mathematical statistics questions, please answer!

Guo Dunrong answered:

7*24 hours/12 text messages=14 hours/1 text message,

Xiao Ming’s total number of * every week (7 days) **12 text messages will be received. The arrival time of the text messages is evenly distributed during the week. Then Xiao Ming will receive 1 text message every 14 hours and at least one text message 24 hours a day.

< p> Therefore, the probability that Xiao Ming will receive at least one text message every day for these 7 days = 1, which is an inevitable event Ω.