78, because you have to do the inverse operation so 80/2= 40 then 40-1= 39 and 39*3 = 78
Rational numbers are Sometimes natural numbers
hope this helps :D
Where is the table? You could potentiallysolve this by deconstructing the function.
Answer:
option 2
Step-by-step explanation:
Step-by-step explanation:
There is 10 questions which in this case are the trials.
We know we can either get a question right or wrong so the two outcomes are right or wrong.
The probability that a student choose the right outcome is 1/4. since there is one right answer out of 4 chocies.choices.
Yes, the trials likelihood outcome of each outcome is the same. so it's independent
