Mathematics, 21.05.2020 22:57 pettygirl13

The communications monitoring company Postini has reported that 91% of email messages

are spam. Suppose your inbox contains 25 messages.

What is the mean of the number of real messages you should expect to find in your inbox?

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The table below shows the approximate masses of a dust particle and a grain of pollen. dust particle 0.000000778 g grain of pollen 0.00000000155 g the mass of a dust particle can be estimated and written in the form a × 10^b, where a = 8 and b = the mass of a grain of pollen can be estimated and written in the form a × 10^b, where a = 2 and b = based on the estimates, the mass of a dust particle is approximately blank times larger than the mass of a grain of pollen.

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The communications monitoring company Postini has reported that 91% of email messages

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