Question

the probability of picking a black marble from a bag containing only one black marble is​

Answer 1

$sampale space = (1)\\ n(s)=1\\ event A\\A=(1)\\n(A)=1\\P=n(A)/(s)\\ = 1/1\\ = 1$

so probability of picking a black marble from a bag containing only one black marble is​ 1

#SPJ3