Answer:
4
Step-by-step explanation:
4X7 =28
4X2 =8
28-8 =20/5
=4
Answer:
0.78
Step-by-step explanation:
given that 80% of an airline's flights depart on-time and 20% do not.
Of those that depart on-time, 95% arrive on-time. Of those that depart late, 10% arrive on-time
Let A be the event that flight departs on time.
Now A and A' are mutually exclusive and exhaustive
Let B be the event the flight arrives on time
Using total probability calculation we have
the chance of someone taking a flight that will arrive on-time
= P(B)
=
Answer:
x^2+1
Step-by-step explanation:
A fourth of 12 is 3 so if you draw a picture of 12 shirts and color 3 green then you get there answer