if you could help me understand the process for these.

For a Normal distribution with / = 5.2 and o = 1.4, what proportion of observations have values greater than 5? Round to 4 decimal places. Question Help: D Post to forum Submit Question Jump to AnswerA manufacturer knows that their items lifespans are normally distributed according to IV (8.2, 2.3). What proportion of the items' lifespans will be longer than 4 years? Round to 4 decimal places