You roll a die, winning nothing if the number of spots is odd, $1 for a 2 or a 4, and $9 for a 6. Round your answers to 3 decimal places.

(a) Find the expected value and standard deviation of your prospective winnings. The expected value is _ , the standard deviation is _.

b) You play twice. Find the mean of your total winnings.

The mean is:

16

step-by-step explanation:

answer:   expression= p+p*d%

price reduction + sale price = $625

sale price: $p+$p*d%

where d% is the percentage of discount

step-by-step explanation:

original price = p

price went down by $150 price reduction $p*d%

sale price= $ 475

therefore the price before sale is: $625

and the expression that shows the price before sale is: p+p*d%

what is the rest of the question? ?

1) letter c.

2) 4 square root of 9

hope this

step-by-step explanation: