please provide answer to the questions

A phone company brings a new smartphone on the market. After a few days, some of the smartphones seem to bend. If a phone bends more than 0.05 cm (=0.5 millimeter), the company has to replace this phone. The bending of the phones is normally distributed with a mean of 0.8 millimeter and a standard deviation of 0.1 millimeter (variance=(0.1mm)^2). What percentage of phones has to be replaced due to bending more than allowed? 99.951% of the phones have to be replaced 96.855% of the phones have to be replaced 99.865% of the phones have to be replaced 99.265% of the phones have to be replaced Say