A group compiled the following estimates on consumer use of e-mail worldwide. Number of users (in millions) Messages per day (in billions) Year 2015 2017 2019 2586 206.6 2760 226.3 2945 247.5 (a) Complete the last column of the table by calculating the estimated number of messages per day that each user receives. (Round your answers to one decimal place.) Number of users Messages per day Messages per person per day Year (in millions) (in billions) 2015 2586 206.6 79.4 2017 2760 226.3 82.0 2019 2945 247.5 84.1 (b) The predicted number of messages per person per day in 2019 is how many times the estimated number in 2015? (Round your answer to two decimal places.) 1.06 times greater

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