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:
24
Step-by-step explanation:
:)
On the set of axes below, graph the line whose equation is To graph your line, click to add your first point and then click again to add a second point. You can either undo or reset to redraw your line. LNE This linear equation contains the point State the value of .
Answer:
There are 20 ways the pizza can be ordered.
Step-by-step explanation:
Choices available in Sizes = 4
Choices available is toppings = 5
Since these choices are mutually exclusive,
So, by the PERMUTATION RULE
Number of ways a pizza can be ordered is : 4 x 5 = 20
So, there are 20 ways the pizza can be ordered.