Apex
a density group for all of the possible times from 50 seconds to 300 seconds can be used to find which of the following.
a. the probability of a time from 25 seconds to 250 seconds.
b. the probability of a time from 75 seconds to 250 seconds.
c. the probability of the time from 50 seconds to 350 seconds.
d. the probability of a time from 75 seconds to 350 seconds.