1. Marque a alternativa em que o número mostrado, NÃO é um número racional. Apenas uma das alternativas deverá ser marcada. * 5 pontos 3/1 7/2 8/2 √19

Ur environment is very sensitive to the amount of ozone in the upper atmosphere. the level of ozone normally found is 4.04.0 parts/million (ppm). a researcher believes that the current ozone level is not at a normal level. the mean of 2525 samples is 4.44.4 ppm with a standard deviation of 0.80.8. assume the population is normally distributed. a level of significance of 0.020.02 will be used. make the decision to reject or fail to reject the null hypothesis. answer tables