Answer:
E
Step-by-step explanation:
Hopefully this isn't too late. My work is attached below.
Sounds like an id 10 t problem
Answer:
The sum of 8 and 1 is 9.
lol
Step-by-step explanation:
Let Ch and C denote the events of a student receiving an A in <u>ch</u>emistry or <u>c</u>alculus, respectively. We're given that
P(Ch) = 88/520
P(C) = 76/520
P(Ch and C) = 31/520
and we want to find P(Ch or C).
Using the inclusion/exclusion principle, we have
P(Ch or C) = P(Ch) + P(C) - P(Ch and C)
P(Ch or C) = 88/520 + 76/520 - 31/520
P(Ch or C) = 133/520
Answer:
a+b
Step-by-step explanation:
=1a+1b
=1(a+b)
=a+b
