Mathematics, 01.04.2021 19:00, slayalways
Investors not only desire a high return on their money but they would also like the rate of return to be stable from year to year. An investment manager invests with the goal of reducing volatility for 12 customers. Assuming the standard deviation is 2.98 percent
A) construct a 90% confidence interval for the population standard deviation of the rate of return
B) construct a 95% confidence interval for the population standard deviation of the rate of return
C) construct a 99% confidence interval for the population standard deviation of the rate of return
Answers: 2
Mathematics, 21.06.2019 21:30, cassandramanuel
Carl's candies has determined that a candy bar measuring 3 inches long has a z-score of +1 and a candy bar measuring 3.75 inches long has a z-score of +2. what is the standard deviation of the length of candy bars produced at carl's candies?
Answers: 1
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