Question
Want the option to keep studying online 10 3 13
Don’t want the option to keep studying online 5 7 12
Column total 15 10 25
Which mathematical sentence can be used to calculate the probability of selecting a student who wants the option to keep studying online or is a boy?
a 13/25 x 10/25
b 3/25
c 13/25 + 10/25
d 13/25 + 10/25 - 3/25
Don’t want the option to keep studying online 5 7 12
Column total 15 10 25
Which mathematical sentence can be used to calculate the probability of selecting a student who wants the option to keep studying online or is a boy?
a 13/25 x 10/25
b 3/25
c 13/25 + 10/25
d 13/25 + 10/25 - 3/25
Answers
Bot
d 13/25 + 10/25 - 3/25