When a different page is randomly selected and ripped from the document, it is page 1616. a. determine whether events a and b are independent or dependent. (if two events are technically dependent but can be treated as if they are independent according to the 5% guideline, consider them to be independent.) b. find p(a and b), the probability that events a and b both occur.

If you are trying to move an attached term across the equal sign (=), what operation would you use to move it?

Table which ratio is equivalent to 3: 7? 6: 7 3: 21 24: 56 15: 30

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