The probability of winning the grand prize [tex]= \frac{1}{750}[/tex]
Probability of an event [tex]E, P(E)=\frac{\textup{Number of favorable outcomes}}{\textup{Total number of outcomes}}[/tex]
Total entries [tex]= 750[/tex].
Number of grand prizes [tex]= 1[/tex]
So, the probability of winning the grand prize [tex]= \frac{1}{750}[/tex]
Learn more about probability here:
https://brainly.com/question/13293035?referrer=searchResults