Question: QUESTION 4 25 points Save Answer Net thickness, ft, is estimated to be normally distributed with distribution N(55,20). What is the probability that net thickness

QUESTION 4 25 points Save Answer Net thickness,

QUESTION 4 25 points Save Answer Net thickness, ft, is estimated to be normally distributed with distribution N(55,20). What is the probability that net thickness is less than 61.9 ft? Enter a probability value (number between 0 and 1, inclusive). Your answer must be correct to within +/- 0.001

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