Mathematics, 17.08.2021 17:10, gabrielbergemancat
an onine store receives customer satisfaction ratings between 0 and 1900, inclusive. in the first 10 ratings the store recieved, the average ( arithmetic mean) of the rations was 75. What is hte least value the store can receive for the 11th rationg and still be able to have an verage of at least 85 for the first 20 ratings
Answers: 1
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an onine store receives customer satisfaction ratings between 0 and 1900, inclusive. in the first 10...
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