Use the following information to answer questions 7-8: The Old Folks Tour Bus drives people to the casino every day and monitors how much they won/lost every day. They have come up with the following table to describe the winning/losing tendencies of gamblers at the casino. -$1,000 $0 $100 Win/Loss Amount Probability 0.10 -$500 0.15 -$200 0.10 0.20 0.25 $400 0.15 $800 8. What is the standard deviation of this distribution? (Round to the nearest penny) 0.05 7. What is the expected value of this distribution? (In other words, what is the expected win or loss amount? If your answer is negative, don't forget to include a minus sign).

Q: What steps must be followed to solve this?

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Q: Hello there, I don't understand the writing for problem 2. Can someone write the solution neatly?

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Q: I'm curious in step 3, how did you get the value 1.2189?

A: Let's solve. Above calculation is wrong.

Q: I just need problem 2

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Q: Can you show me the calculations to this question?

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Q: THIS SOLUTION IS DIFFICULT TO READ - CAN THIS BE HAND WRITTEN?

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Q: Please do problem 2. Thank you!

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Q: I have trouble following part C, some steps are missing and as well it is incorrect.

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Q: Can more steps be provided for Step 4 please?

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A: Let's solve.

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Q: How do I put step 2 in my calculator?

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Q: Can you write this all out? So I can understand the steps clearly.

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