Answer:
The probability is:

Step-by-step explanation:
Keep in mind that the probability of getting a head is always the same for each

Therefore the probability of not having a head is:

So if we throw the coin 4 times the probability P of not getting any head is:


Answer:
8 is a perfect cube
Step-by-step explanation:
8 = 2^3
Answer:
the third one 10 cm, 9cm 9cm
The answer is Mary, Mary got 88% Ben got 86% and Jim got 85%