In a group of 72 students; 27 are normal; 13 are abnormal, and32 are normal abnormal. Find the probability that a student picked from this group at random is either normal or abnormal?

The answer is texture

The virus is considered to be are living item since they have hereditary material dnas or rnas. they can imitate and change. they respond to boosts, for example, radiation, chemicals, and warmth. they have antigenic properties. they are proficient to duplicate with a same hereditary constituent.

If the experiment was perfomed more then once and you get the same results

The basic repeating unit of nucleic acids are known as nucleotides. a nucleotide consists of three distinct chemical groups.