1)
If X is aptitude test score, then
Refer to standard normal distribution tables, we get
Fraction of applicants who score above 400 and above= 0.7734 or 77.34%
2)
Refer to standard normal distribution tables, we get
A large number of applicants for admission to graduate study in business are given an aptitude...
A large number of applicants for admission to graduate study in business are given an aptitude test. Scores are normally distributed with a mean of 460 and standard deviation of 80. What fraction of the applicants would you expect to have a score of 400 or above
B) A large number of applicants for admission to graduate study in business are given an aptitude test. Scores are normally distributed with a mean of 460 and standard deviation of 80. The top 2.5 percent of the applicants would have a score of at least (to the nearest integer):
A large number of applicants for graduate studies in business administration are administered an aptitude test. The scores are normally distributed with an average of 460 and a standard deviation of 80. What fraction of the applicants would expect to have scores of 600 or more? a. 0.4599 b. 0.5401 c. 0.0852 d. 0.0401
Most graduate schools of business require applicants for admission to take the GMAT, the Graduate Management Admission Test. Scores on the GMAT are roughly normally distribute with a mean of 527 and a standard deviation of 112. What is the probability of an individual scoring above 500 on the GMAT?
1. The scores on a nationwide aptitude test are normally distributed, with a mean of 80 and a standard deviation of 12. (convert raw score to z score) a. What percentage of aptitude scores are below a score of 65?
The scores of all applicants taking an aptitude test required by a law school have a normal distribution with a mean of 420 and a standard deviation of 100. A random sample of 25 scores is taken. e. The probability is 0.05 that the sample standard deviation of the scores is higher than what number? f. The probability is 0.05 that the sample standard deviation of the scores is lower than what number? g. If a sample of 50 test...
The Graduate Management Admission Test (GMAT) is a standardized exam used by many universities as part of the assessment for admission to graduate study In business. The average GMAT score is 547 (Magoosh website, January 5, 2015). Assume that GMAT scores are bell-shaped with a standard deviation of 100. Make sure to use the empirical rule to answer these questions. a. What percentage of GMAT scores are 647 or higher? b. What percentage of GMAT scores are 747 or higher (to 1...
6. In 2007 the scores on the College Aptitude Test (C. A.T.) were distributed normally with mean 500 and standard deviation 60, briefly N (500, 60). Find the 75th percentile for the CAT. 520.0000 605.4431 458.1174 540.4694 D7 In 2007 the scores on the College Aptitude Test (C. A.T.) were distributed normally with mean 500 and standard deviation 60, briefly N (500, 60). Find the Z score for a CAT score of 450. -.5631 -.8333 .6733 1.0833
Please help with BOTH of these questions!!! Thank you!! After taking an aptitude test, the computer told Bob that he had a z-score of 1.08. If scores on the aptitude test are normally distributed, which of the following statements can Bob conclude from his score? Select all that apply. Select one or more: Bob scored within 2 standard deviations of the mean score. Bob did better than the mean score. Bob scored within 1 standard deviation of the mean score....
Business and Economic Statistics 3. MNM Corporation gives each of its employees an aptitude test. The scores on the test are normally distributed with a mean of 75 and a standard deviation of 15. A simple random sample of 25 is taken from a population of 500. What are the expected value, the standard deviation, and the shape of the sampling distribution of x? What is the probability that the average aptitude test in the sample will be between 70.14...