How many apps? According to a website, the mean number of apps on a smartphone in the United States is 89. Assume the number of apps is normally distributed with mean 89 and standard deviation 22. Part: 0/ 2 Part 1 of 2 (a) What proportion of phones have fewer than 55 apps? Round the answer to four decimal places. The proportiorn of phones that have fewer than 55 apps is

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