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MARLOWE THE SPY:
Sleeping Guards: Calculate the total number of possible outcomes. What chances, of the total possibilites, do the scenarios indicated have of happening?
Commander's Birthday:
Number of days (what is the maximum # of days in a month?) x number of months.
One chance out of ?
Again, number of months times number of days.
Number of possible months times number of possible days ending in 9.
Experimental Probability: Divide number of successful attempts by the number of tries, multiplied by 100 ( to convert to percent.)
Surface Areas: Use l x w to calculate the surface area of the bridge. Use a = r x pi for the area of the stones times the number of stones.

DOORS OF PERCEPTION: Divide 40 by 5, base your probabilty on your result.
 
YELLOW CHIPS: Make up to fify trials with the "chip finder." Record your results and base your answer on your trial results.

SLAPHAPPIES SNACKS: Multiply the number in the first column by the number in the second column, then multiply your total by the number in the last column.

THE LOTTERY:
Multiply 1000 by 1000 to get your odds.
Divide 20 by 4 and the result is your answer.
Reduce 10 out of 40 to the lowest amount.

SU Z DOOM: Count the number of mics in the photos. Only one has been unplugged. What are the chances of Su Z trying that one first?
Count the doors in the photo with Sal. What chance does he have of finding his chainsaw the first try?