A company that makes hair care products had 2000 people try a new shampoo, of the 2000 people, 4 had a mild allergic reaction, what percent of the people had a mild allergic reaction

Finally, the arena decides to offer advertising space on the jerseys of the arena's own amateur volley ball team. the arena wants the probability of being shortlisted to be 0.14 what is this as a percentage? what is this as a fraction? what is the probability of not being shortlisted? give your answer as a decimal.