Answer:
0.8213
Step-by-step explanation:
-This is a binomial probability problem given by the function:

Given that n=21 and p=0.2, the probability that she experience a delay on at least 3 days is calculated as:

Hence, the probability that she experience delay on at least 3 days is 0.8213
Answer:
A.
Step-by-step explanation:
Answer:
lcm for cuberoot
that is 2*2*2*5*5*5*3*3*3
make pairs of three common numbers and write them as one.
2*5*3=30
ans =30
check 30*30*30=27000
cube
multiply 27000 three times with itself
27000*27000*27000
=19683000000000.0
Answer:
5/6
Step-by-step explanation:
9/30 + 16/30 = 25/30 = 5/6