The resolution time for customer support queries follows a normal distribution with a mean of 30 minutes and a standard deviation of 5 minutes. (a)…
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The resolution time for customer support queries follows a normal distribution with a mean of 30 minutes and a standard deviation of 5 minutes.
(a) What percentage of queries are resolved in less than 25 minutes?
(b) What percentage of queries are resolved between 25 and 35 minutes?