# Question

In the situation of problem 15-8, another sample of 20 flights reveals that 18 of them are full. Obtain the second posterior distribution of the proportion of full flights. Graph the prior distribution of problem 15-8, as well as the first posterior and the second posterior distributions. How did the distribution of the proportion in question change as more information became available?
S ..... P(S)
0.70 .... 0.1
0.75 ..... 0.2
0.80 ..... 0.3
0.85 ..... 0.2
0.90 ..... 0.1
0.95 ..... 0.1
1.0

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