20)On lance simultanément plusieurs dés à quatre faces. Détermine le nombre de dés minimal qu'on doit lancer afin que la probabilité d'obtenir au moins un
4 soit supérieure à 75%.
a) 5 dés
b) 6 dés
c) 7 dés
d) 8 dés

Create a graph for the demand for starfish using the following data table: quantity/price of starfish quantity (x axis) of starfish in dozens price (y axis) of starfish per dozen 0 8 2 6 3 5 5 2 7 1 9 0 is the relationship between the price of starfish and the quantity demanded inverse or direct? why? how many dozens of starfish are demanded at a price of five? calculate the slope of the line between the prices of 6 (quantity of 2) and 1 (quantity of 7) per dozen. describe the line when there is a direct relationship between price and quantity.