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You are planning to buy a cellphone with a good quality in order to attend the online class. The average price of 50 cellphones is
You are planning to buy a cellphone with a good quality in order to attend the online class. The average price of 50 cellphones is Php13,500 with a margin of error of Php 273.65 and a confidence level of 99%. What is the lower limit? What is the upper limit? What is the confidence interval? If you have P 13,100.00, is the amount lies within the confidence interval
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