Credible set of highest posterior probability

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Reference no: EM13981826

Bank of America recently launched a special credit card designed to reward people who pay their bills on time by allowing them to pay a lower-than-usual inter- est rate. Some research went into designing the new program. The director of the bank's regular credit card systems was consulted, and she gave her prior probability distribution of the proportion of cardholders who would qualify for the new program. Then a random sample of 20 cardholders was selected and tracked over several months. It was found that 6 of them paid all their credit card bills on time. Using this information and the information in the following table-the director's prior distribu- tion of the proportion of all cardholders who pay their bills on time-construct the posterior probability distribution for this parameter. Also give a credible set of highest posterior probability close to 95% for the parameter in question. Plot both the prior and the posterior distributions of the parameter.

Proportion 0.1	Probability 0.2
0.2	0.3
0.3	0.1
0.4	0.1
0.5	0.1
0.6	0.1
0.7	0.1

Reference no: EM13981826

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