The daily exchange rates for the five year period 2003 to

Last updated: 7/25/2023

The daily exchange rates for the five year period 2003 to 2008 between currency A and currency B are well modeled by a normal distribution with mean 1 812 in currency A to currency B and standard deviation 0 012 in currency A Given this model and using the 68 95 99 7 rule to approximate the probabilities rather than using technology to find the values more precisely complete parts a through d a What would the cutoff rate be that would separate the lowest 0 15 of currency A currency B rates The cutoff rate would be Type an integer or a decimal rounded to the nearest thousandth as needed b What would the cutoff rate be that would separate the lowest 50 The cutoff rate would be Type an integer or a decimal rounded to the nearest thousandth as needed c What would the cutoff rates be that would separate the middle 68 The lower cutoff rate would be Type an integer or a decimal rounded to the nearest thousandth as needed The upper cutoff rate would be Type an integer or a decimal rounded to the nearest thousandth as needed d What would the cutoff rate be that would separate the highest 16 The cutoff rate would be Type an integer or a decimal rounded to the nearest thousandth as needed