d] Find the standard deviation for the number of days to fix defects. Put the numeric answer rounded to 3 decimal places in the first box and the correct units in the second box. Which of the following is the correct Symbol for the standard deviation of a probability distribution? ?V e} Find the probability that it will take at Least 15 days to fix the defect. Round final answer to 3 decimal places. f: Is it unusual for it to take 15 days to fix a defect on a pair of eyeglasses? Select an answer v Check Answer Eyeglassomatic manufactures eyeglasses for different retailers. The number of days it takes to fix defects I in a pair of eyeglasses and the probability that it will take that number of days are in the table. i ii i: In Probability D.24 {1.101 (1.105 .113 H .114 m m -l_iII E E!- _._._. WHO'- a} State the random variable. Select an answer v b} If you were to make the corresponding histogram for this frequency table, what shape would the histogram be? Select an answer v c] Find the mean number of days to fix defects. Put the numeric answer rounded to 3 decimal places in the first box and the correct units in the second box