SonamTshewang SonamTshewang

06-09-2020
Mathematics

contestada

Calculating probability.
A] Rolling a 4, and then rolling again so that sum is 10.
B] Selecting a red marble from a bag of five red and five blue marbles and then selecting a blue marble [ without replacing the red marbles first]

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Аноним Аноним

06-09-2020

A] 1/3

B] [tex]\frac{5}{10}[/tex]×[tex]\frac{5}{9\\}[/tex]=[tex]\frac{25}{90}[/tex]=[tex]\frac{5}{18}[/tex]

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