A fair coin just means 50% heads 50% tails. so the sample is still 50% heads 50% tails.
Answer:
im pretty sure C. 3(-64-8) + 25 will give you a positive value
Answer:

Step-by-step
explanation
explanation is attached to the picture
hope this helps
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Answer:
C = 40 + 0.17M
Step-by-step explanation:
Total monthly charge = Fixed base fee + charge per minute*total number of minutes
C = 40 + 0.17*M
C = 40 + 0.17M