Answer the problem and show your solution: 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 Php273.65 and a confidence level of 99%. Find a) lower limit, b) upper limit, c) confidence interval; and

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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 Php13,500 with a margin of error of Php273.65 and a confidence level of 99%. Find a) lower limit, b) upper limit, c) confidence interval; and d) length of confidence interval

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