1. 26.75 = 3s + 5(s - 2.50)
2. 3a - 0.3(a + 50) = 75
3a - 0.3a - 15 = 75
3a - 0.3a = 75 + 15
2.7a = 90
a = 90/2.7
a = 33.3 <===
1. The relative frequency of heads is (A) reasonably close to 40%.
2. Mr. Clark's claim about the theoretical probability is likely to be (A) True.
3. This means that the theoretical probability of tails is most likely 0.6 for this coin.
