Reference no: EM132997483
On a peer-to-peer (P2P) lending website, borrowers complete an approval scoring form that lenders use to assess creditworthiness. Borrowers are rated A, B, C or D, based on their scores, with A having the highest scores and D having the lowest.
In a large sample of borrowers, 20% were rated A, 25% were rated B, 29% were rated C, and the rest were rated D. Suppose the scores are normally distributed with a mean of 300 and a standard deviation of 38.
Round numeric answers to the nearest integer.
a) What is the cut-off score between A and B?
b) What is the cut-off score between B and C?
c) What is the cut-off score between C and D?
d) What score corresponds to the 15th percentile?
e) What score corresponds to the 70th percentile?
f) What is the minimum score above which lies 7% of the scores?
g) Between what scores will the middle 88% of scores lie?
Lower value = Higher value =
h) What rating will a score of 301 receive? Select an answer
D-rating
C-rating
B-rating
A-rating
i) What rating will a score of 269 receive?