Answer:
For upper bound, the length is 88.5 cm and width is 49.5 cm
For lower bound, the length is 87.5 cm and width is 48.5 cm
<span>3 black ribbons and 12 green ribbons
so P(</span><span>Lila selects a black ribbon)=3/(3+12)
=1/5
</span>2 black ribbons and 12 green ribbons left
P(<span>Jessica selects a green ribbon)=12/(12+2)
</span>=6/7
so P(<span>Lila selects a black ribbon and Jessica selects a green ribbon)
</span>=1/5*6/7
=6/35
ans is D
The probability of an event is considered fair when the probability of the event happening is equally likely.
Thus, the way <span>each vote should be counted so that the outcome is fair is "</span><span>The freshman votes count as 1 vote, the sophomore as 1.14 votes, the juniors as 1.45 votes, and the seniors as 1.23 votes.</span>"
Square whatever a is. Then square whatever b is. Add them together. Take the square root of the number you had from adding a and b together