In a murder investigation, the temperature of a corpse was 32.5 degrees c at 1: 30 pm and 30.3 degrees c an hour later. normal body temperature is 37.0 degrees c and the temperature of the surroundings was 20.0 degrees c. when did the murder take place?

Consider a bag that contains 220 coins of which 6 are rare indian pennies. for the given pair of events a and b, complete parts (a) and (b) below. a: when one of the 220 coins is randomly selected, it is one of the 6 indian pennies. b: when another one of the 220 coins is randomly selected (with replacement), it is also one of the 6 indian pennies. a. determine whether events a and b are independent or dependent. b. find p(a and b), the probability that events a and b both occur.