7 The times, in minutes, that Karli spends each day on social media are normally distributed with mean 125 and standard deviation 24.
- On how many days of the year ( 365 days) would you expect Karli to spend more than 142 minutes on social media?
- Find the probability that Karli spends more than 142 minutes on social media on fewer than 2 of 10 randomly chosen days.
- On \(90 \%\) of days, Karli spends more than \(t\) minutes on social media.
Find the value of \(t\).
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