Answer:
i think is A
Step-by-step explanation:
Answer:
C and E
Step-by-step explanation:



C.
✅
○♧○♧○♧○♧○♧○♧○♧○♧○♧○♧○♧○

E.
✅
Answer:
25
Step-by-step explanation:
3877 divided by 36 is 107.69. That means each person could get 107 masks (always round down in these problems)
36 time 107 is 3852, and 3877 minus 3852 is 25. This is how many will be left over.
Answer:
Step-by-step explanation:
Let X be the number of persons out of 12 who have RH negative blood.
X is binomial since each person is independent of the other to have Rh negative blood.
n =12
a) What is the probability that exactly 5 of those patients will have Rh negative blood?
P(X=5) =
b) What is the probability that at least 3 of them will have Rh negative blood?
=0.6397
c) What are the expected number and standard deviation of the number of these patients with Rh negative blood?
E(X) = np = 
Var(x) = npq = 
Std dev = 
5000mg 500g and then 50kg