Hello, I hope you can help me with this question. I am not doing too good this semester. Thank you!

The question:

For a binomial experiment withrsuccesses out ofntrials, what value do we use as a point estimate for the probability of successpon a single trial? (Enter a mathematical expression.)

p^ =

Note: The sign by the p is actually directly above the p. Not sure how it actually moved over to the right after I pasted it here.