a box contains 4 red balls and 8 blue balls. three balls are drawn at random, without replacement, from this box. given that the first ball was red , what is the probability that the next two balls are blue?

Ineed ! the person who answers and shows their work on they got the answer first will be marked the !

Polygon abcde is reflected to produce polygon a′b′c′d′e′. what is the equation for the line of reflection?

The birth weights of newborn babies in the unites states follow in a normal distrubution with a mean of 3.4 kg and standard deviation of 0.6 kg. reaserches interested in studying how. children gain weights decide to take random samples of 100 newborn babies and calculate the sample mean birth weights for each sample