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# Corn plants grow to a mean height of 6.44 feet with a standard deviation of 0.33 feet. A new genetically modified corn plant is being developed.

Corn plants grow to a mean height of 6.44 feet with a standard deviation of 0.33 feet. A new genetically modified corn plant is being developed. A researcher grew a group of 41 genetically-modified corn plants and found that their mean height was 6.68 feet. how can I Test to determine if the genetically modified plants are taller using α = 0.01.