Company A designs and manufactures trains and planes and relies on large deals from its customers for thesehigh-cost products. This series of large contracts makes for a very variable revenue stream compared with the more even income it derives fromlong-term service contracts. The share of revenue from services dropped from 21 to 16 between 2007 and 2010 compared with the much higher figure of 53 for Company B in 2010. In2011, an analyst predicts that CompanyA's service share will drop to 14 with a standard deviation of 1 in 2014 and that CompanyB's service share will increase to 54 with a standard deviation of 4. assuming the forecast is accurate.

1.Find the probability that CompanyA's service share will be lower in 2014 than in 2010

a) The probability that CompanyA's service share will be lower is ___

2.Find the probability that CompanyB's service share will be higher in 2014 than in 2010

The probability that CompanyB's service share will be higher is ___