For each of the next three day, the probability that it will rain on that day is 2/3. what is the probability that it will NOT rain on any of these three days?

a. 1/27
b. 8/27
c. 1/3
d. 2/3

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.

Is experimental probibilty the same as the observed frequency in math? i need the answer asap!

Henry's butcher shop uses an electronic scale that measures to 1/100 of a pound. which is the most accurate measurement based on the limitations of the scale that might be found on a package of meat sold by henry?