Opre homework 2

question 17

\fA construction company has submitted bids on two separate state contracts, A and B. The company feels that it has a 50% chance of winning contract A, and a 70% chance of winning contract B. Furthermore, the company believes that it has an 80% chance of winning contract A if it wins contract B (i.e., P(A | B)=0.8). What is the probability that the company will win both contracts (A and B)? a. 0.80 O b. 0.35 O c. 0.40 O d. 0.56Question 19 The weights of items produced by a company are normally distributed with a mean of 5 ounces and a standard deviation of 0.2 ounces. What percentage of the items weighs between 4.4 and 5.3 ounces, i.e., P(4.4