the probability of selecting the first card which is a prime number is [tex] \frac{5}{10}
[/tex]
the probability of selecting the first card which is a prime number is [tex] \frac{4}{9} [/tex]
the probability of selecting two prime numbers is [tex] \frac{5}{10} [/tex]×[tex] \frac{4}{9} [/tex]=[tex] \frac{2}{9} [/tex]
