1) sketch the area under the standard normal curve over the indicated interval and find the specifies area. (Round your answer to four decimal places). The area to the right of z = 1.52 is ____ 2) Accretive is a manufacturer of crystal watches. The watches have an average life of 28 months before certain electronic deteriorate. The standard deviation of watch lifetime is 4 months and the distribution of lifetime is normal. A) a full refund of any defective watch for 2 years after purchase. What percentage of total production will the company expect to replace? (Round your answer to two decimal place) ____ % B)if it does not want to make refunds on more than 6% of the watches it makes, how long should the guarantee period be to the nearest month? ____ months