Emma got 90 percent of the questions on her math test correct . if she answered 27 of them right how many questions were there on the test

Idon't want to fail summer school. the probabilities of contamination in medicine capsules due to the presence of heavy metals and different types of microbes are given in the table. the probability of capsule b having microbial contamination is (the same as, greater than, less than) the probability of capsule d having it.