ASVAB Practice Math Questions

Category - Math - Hard

Find the probability of getting 2 Heads when two fair coins are tossed?
  1. 1
  2. 2/3
  3. ½
  4. ¼
  5. ¾
Explanation
Answer D - A coin has two faces Head(H) and Tale(T). The possible outcome when two coins are tossed is HH, TT, HT and TH. Out of 4 possible outcomes only 1 is favourable for getting both Heads. Probability is the ratio of favorable events for success and total possible events. Hence Probability P = 1/4

Key takeaway:
Probability is the chance of the occurrence of an event . It is the ratio of favourable events for success and total possible events. It is an important mathematical concept that we use in our day-to-day life. Practice some simple problems to understand the concept.
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