Mathematics, 03.04.2020 19:35, regb25851

The results of a statewide exam for assessing the mathematics skills of realtors were normally distributed with a mean score of 72 and a standard deviation of 12. The realtors who scored in the top 10% are to receive a special certificate, while those in the bottom 20% will be required to attend a remedial workshop.
a. What score does a realtor need in order to receive a certificate?
b. What score will dictate that the realtor attend the workshop?

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The results of a statewide exam for assessing the mathematics skills of realtors were normally distr...