Question: Several nanorods were produced using a new fabrication method and imaged with a scanning electron microscope. The length of the nanorods followed an approximately normal

Several nanorods were produced using a new fabrication method and imaged with a scanning electron microscope. The length of the nanorods followed an approximately normal distribution with a mean of 80 nm and a variance of 98.11 1. What is the 20% percentile of nanorod lengths? 2. 1What proportion of nanorods have a length lower than 7'5? 3. The fabrication technique is considered a success it more than 25% of the nanorods have lengths between SUnm and Bnm. Was this a successful technique? 4. One of the nanorods has a length of 77, what percentile is its length on
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