20. A fair coin is flipped three times. Find the expected number of heads.
2 answers:
Answer:
3 times
Step-by-step explanation:
If you flip a coin, it has 2 sides. So half the number of outcomes will be heads.
Answer: There would always be a 1/2 chance or a .5 chance that it would land on heads. There is no guarantee unless you tried this but even still, if others tried this they would surely get different answers.
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Answer:
1. x = {1.5, 0.2}
2. x = 1
Step-by-step explanation:
<span>13 more than 4 times a number is negative 91
</span>Convert to numbers:
13 more than 4: 4+13
times a number: (x)
is negative 91: = -91
Put it together:
4x+13=-91
x = -26
Answer:
160-24=g
Step-by-step explanation:
The answer is both all real numbers less than 0 and all real numbers greater than 0
Answer:
14.82
Step-by-step explanation:
Hope it helps :)
