Camryn practices the trumpet every 11
th
11, start superscript, start text, t, h, end text, end superscript day and the flute every 3
rd
3, start superscript, start text, r, d, end text, end superscript day.
camryn practiced both the trumpet and the flute today.
how many days until camryn practices the trumpet and flute again in the same day?

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