please,could you find what is wrong with wrong answers? . could you send me ,please.

Score: 2/12 2/2 answered Question 2 Score on last try. 2 of 6 pts. See Details for more. Submit and End You can retry this question below You roll a die, winning nothing if the number of spots is odd, $1 for a 2 or a 4, and $8 for a 6. Round your answers to 3 decimal places (a) Find the expected value and standard deviation of you prospective winnings. The expected valor is 1.G67 . the standard deviation is 2.8GT X (bj You play twice. Find the mean of your total winnings, The mean is 3.334 Check Answer 9 acer h