Let S be the sample space for an experiment. Let S = {O1, O2,O3,O4,O5}. Assume that Pr[{O1}] = 0.1 and Pr[{O4}] = 0.25.
Assume that O2 and O3 are equally likely and that O5 is three times as
likely as O2. Find Pr[{O2}] and Pr[{O5}].

Scarlet bought three pairs of sunglasses and two shirts for $81 and paula bought one pair of sunglasses and five shirts for $105 what is the cost of one pair of sunglasses and one shirt?

The following frequency table relates the weekly sales of bicycles at a given store over a 42-week period.value01234567frequency367108521(a) in how many weeks were at least 2 bikes sold? (b) in how many weeks were at least 5 bikes sold? (c) in how many weeks were an even number of bikes sold?

The given diagram shows the parts of a right triangle with an altitude to the hypotenuse. using the two given  measures, find the other four.