After post-graduate study, Mike found a job as HR analyst in London. The company is currently recruiting Chief Marketing Officer. The HR department recently sent out a knowledge test to the applicants after the initial CV screening. At this stage of selection, the company does not invite the lowest scoring 30% (the opposite is the highest 70%.) back for the next face-to-face interview. According to the historical data, the test scores on this test are normally distributed and has a mean of 70 with standard deviation of 10. a.What mark (to the nearest whole number) must a candidate achieve in order to secure an interview? Show your workings.
After post-graduate study, Mike found a job as HR analyst in London. The
company is currently recruiting Chief Marketing Officer. The HR department
recently sent out a knowledge test to the applicants after the initial CV
screening. At this stage of selection, the company does not invite the lowest
scoring 30% (the opposite is the highest 70%.) back for the next face-to-face
interview. According to the historical data, the test scores on this test are
a.What mark (to the nearest whole number) must a candidate achieve in
order to secure an interview? Show your workings.
b. Explain the characteristics of standard normal distribution and normal
distribution, respectively.
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