For questions A and B, express your answer in a number between 0 and 1 with four digits of precision (i.e. 25.01% is 0.2501). For question C, express your answer in two decimal places (e.g. 1.31)
A manufacturing firm has recently opened up a plant to create new earbud headphones. If the length of the cord is normally distributed with a mean of 80 cm and standard deviation of 1.1 cm, what is the probability that
A) the length of cord is greater than 80.85 cm? Answer: Answer
B) the cord is under 77.39 cm in length? Answer: Answer
C) 80% of cords are between what two values in cm, symmetrically distributed around the mean. Answer for lower value: Answer Answer for higher value: Answer