Determine gmat scores, What is the point estimate of the

Determine gmat scores

Reference no: EM13106334

Please use excel when necessary:

1) The GMAT scores of MBA candidates are normally distributed with a mean of 568 and Standard eviation of 25.6 What is the probabilitie of candidates scoring higher than 600 ?

2) A financial Manager is interested to study DM students. A random sample of 256 students salaries totaled $ 9,067,520 The sample standard deviation is $ 3,200

a) What is the point estimate of the students mean salary?

b) What is the point estimate of the standard deviation of the students salaries?

c) Construct a 95% confidence interval for the mean salary of the DM students?

Reference no: EM13106334

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