What does ctrl+o beside the open option on the file menu represent? a. full name of the option b. keystroke alternative to open a file c. shortcut to display a submenu

As voters exit the polls, you ask a representative random sample of voters if they voted for a proposition. if the true percentage of voters who vote for the proposition is 63%, what is the probability that, in your sample, exactly 5 do not voted for the proposition before 2 voted for the proposition? the probability is