Both methods start out with a factor<span> tree. A </span>factor<span> tree is a diagram that is used to break down a number into its </span>factors until<span> all the numbers left are </span>prime. The first way you can use a factor<span> tree to find the </span>factorization of a number is to divide out prime<span> numbers only. Let's </span>factor<span> 24 using this method.</span>
81.4% ≅ 81%. The probability that a customer ordered a hot drink given that he or she ordered a large is 81%.
The key to solve this problem is using the conditional probablity equation P(A|B) = P(A∩B)/P(B). Conditional probability is the probability of one event occurring with some relationship to one or more other events.
Similarly to the previous exercise, P(A∩B) is the probability that a customer order a large hot drink. So, P(A∩B) = 22/100 = 0.22
For P(B), is the probability that a customer order a large drink whether hot or cold. P(B) = 27/100 = 0.27
P(A|B) = 0.22/0.27 = 0.814
multiplying by 100%, we obtain 81.4%
The answer is B.) Numbers that cannot be written as a fraction.
