Question 5*
An online store receives customer satisfaction ratings
between 0 and 100, inclusi...
Mathematics, 03.03.2021 04:00 caro74
Question 5*
An online store receives customer satisfaction ratings
between 0 and 100, inclusive. In the first 10 ratings
the store received, the average (arithmetic mean)of
the ratings was 64. What is the least value the store
can receive for the 11th rating and still be able to have
an average of at least 80 for the first 20 ratings?
Your answer
Answers: 3
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