2 In a certain country, the heights of the adult population are normally distributed with mean 1.64 m and standard deviation 0.25 m .
- Find the probability that an adult chosen at random from this country will have height greater than 1.93 m .
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In another country, the heights of the adult population are also normally distributed. \(33 \%\) of the adult population have height less than \(1.56 \mathrm {~m} .25 \%\) of the adult population have height greater than 1.86 m . - Find the mean and the standard deviation of this distribution.