Credit Score 0-15 15-30 30-45 45-60 60-75 75-90 90+ Number of Applicants 70 45 25 30 23 10 0 Compute an estimate (to four decimal places) of the mean credit scores of the ending portfolio.

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Q: ress the confidence interval (30%,43.2%)(30%,43.2%) in the form of ˆp±MEp^±ME. ___% ± ___%

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