Javier ha cocinado 529 panecillos, pero necesita ordenarlos en una repisa rectangular de modo que haya la misma cantidad de filas como de columnas. ¿cuántas columnas deberá hacer? Por favor es para hoy

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