A 2011 analysis performed by Read Write Mobile revealed that the average number of apps downloaded per day per iOS device (such as iPhone, iPod, and iPad) exceeds 60 (www readwriteweb com mobile 2011 01 more than 60 apps downloaded per ios device php) Suppose that the current distribution of apps downloaded per day per iOS device is approximately normal with a mean of 65 and a standard deviation of 19 4 Find the probability that the number of apps downloaded on a randomly selected day by a randomly selected owner of an iOS device is a 100 or more b 45 or fewer

Question: A 2011 analysis performed by Read Write Mobile revealed that the average number of apps downloaded per day per iOS device (such as iPhone, iPod,

A 2011 analysis performed by Read Write Mobile revealed that the average number of apps downloaded per day per iOS device (such as iPhone, iPod, and iPad) exceeds 60 (www.readwriteweb.com/ mobile/2011/01/more-than-60-apps-downloaded-per-ios-device.php). Suppose that the current of apps downloaded per day per iOS device is approximately normal with a mean of 65 and a standard deviation of 19.4. Find the probability that the number of apps downloaded on a randomly selected day by a randomly selected owner of an iOS device is
a. 100 or more
b. 45 or fewer

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