13 Select the correct answer from each drop-down menu. Roe's friends are members of Frank's Gym. The dot plot shows the number of days that Roe's friends worked out at Frank's Gym last month. Number of Days Roe's Friends Exercised X 21 22 26 27 23 24 25 Number of Days days. The most common number of days that Roe's friends worked out last month is of Roe's friends worked out fewer than than 24 days. Reset Next​

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