You may need to use the appropriate technology to answer this question. $810,000$ visitors per day.

$($a$)$ What is the probability that the web site has fewer than $5$ million visitors in a single day? $($Round your answer to four decimal places.$)$

$($b$)$ What is the probability that the web site has $3$ million or more visitors in a single day? $($Round your answer to four decimal places.$)$

You may have rounded in the wrong direction.

$($c$)$ What is the probability that the web site has between $3$ million and $4$ million visitors in a single day? $($Round your answer to four decimal places.$)$ millions of visitors per day$)$ that will require Smiley's People to purchase additional server capacity? $($Round your answer to two decimal places.$)$

million visitors per day