2. In 2013, the amount college students charged annually on credit cards was normally distributed with a mean of $3156 with a standard deviation of $623. This distribution is shown below with some areas shaded that are NOT equal in size.(Source) a. Find the three missing pieces of the graph of this distribution below (Show all work and give calculator entries and 3 decimal places.)JI End-7Distinvnorm+ area 0.146 M-=3156 85623 0.00070 M= 3156 0:623 "m' Eenter 2 times x, = 2499,514 0.00060 1076 so 0.00030 1 438 276 0105 0.00040 A1 = 0.146 A2 = 0.823 A3 = 0.065 0.00030 and > vars' normaloff flower 2499.514 and ) vars -normelf -> lower yo upper 420-2 1 = 3156 upper 100000 0.00020 Jacks tenter atimes 4 3/5-6 0 6237 enter a times 0.00010 0.0000 500 1000 1500 2000 3000 3500 4500 5000 5500 X1 = 409 57 X2 = 4200 b. Interpret the value of X2 = 4200 and A; in the context of the situation c. Interpret the value of X], X2 = 4200, and A2 in the context of the situation