You pay $10 and roll a die. if you get a 6, you win $50. if not, you get to roll again. if you get a 6 this time, you get your $
10 back. what is the standard deviation for your prospective winnings. round your answer to the penny.
1 answer:
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Answer:
I believe the answer is C. 90 degrees
Step-by-step explanation:
First you find the lengths of the two vectors, which are both . Then you find the angle given the cos using: cos(∅)=
=
= 0. Then using ∅=acos(0)=
= 90°