A survey found that​ women's heights are normally distributed with mean 62.8 in. and standard deviation 2.3 in. The survey also found that​ men's heights are normally distributed with mean 68.1 in. and standard deviation 3.9 in. Consider an executive jet that seats six with a doorway height of 56.4 in. Complete parts​ (a) through​ (c) below.

Achild has a box full of colored building blocks. she will choose one block without looking. the odds against choosing a blue block are 4/7. what is the probability of choosing a blue block? amanda is playing a role-playing game with her friends. she will roll dice to determine if her character unlocks a treasure chest. the probability of her character unlocking the treasure chest is 13/20. find the odds in favor of her character unlocking the treasure chest.