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seen Jul 16 at 11:56

Oct
5
awarded  Yearling
Nov
17
revised Calculus 3 Explained
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Nov
17
answered natural log of pi to sixty digits, a reference needed
Nov
17
revised Calculus 3 Explained
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Nov
17
revised Calculus 3 Explained
added 150 characters in body
Nov
17
answered Calculus 3 Explained
Nov
17
answered Related Rates Equation
Nov
17
answered Polar coordinates - issue with direction denoted by angle
Nov
16
answered Ratio of lengths in isosceles triangle
Nov
15
revised Find Standard Error and fill in the blanks.
added 218 characters in body
Nov
15
answered Find Standard Error and fill in the blanks.
Nov
14
comment Playing roulette
And for the second part, expected value of bet = wager x prob = $\$16 \times 92.3\% = \$14.77$ !
Nov
14
comment Playing roulette
Oh yes, I forgot to subtract the initial investment of 100, ie: 94.74 - 100 = - 5.26, where the "expected return" of -(2/38)*100 = -5.26 is a loss of 5.26
Nov
14
revised Playing roulette
added 2 characters in body
Nov
14
revised Playing roulette
added 73 characters in body
Nov
14
comment Playing roulette
Expected value of a bet = wager x probability.
Nov
14
revised Playing roulette
added 15 characters in body
Nov
14
revised Playing roulette
added 15 characters in body
Nov
14
answered Playing roulette
Nov
12
awarded  Editor