With 20% of men, 74% of women, and 52% of children surviving the infamous Titanic disaster, it

Question:

With 20% of men, 74% of women, and 52% of children surviving the infamous Titanic disaster, it is clear that the saying "women and children first" was followed. But what, if any, role did the class of service play in the survival of passengers? The data shown represent the survival status of passengers by class of service.

Class First Third Second Survived 203 118 178 Survival Status Did Not Survive 122 167 528

(a) Is class of service independent of survival rate? Use the a = 0.05 level of significance.
(b) Construct a conditional distribution of survival status by class of service and draw a bar graph. What does this summary tell you?

Distribution
The word "distribution" has several meanings in the financial world, most of them pertaining to the payment of assets from a fund, account, or individual security to an investor or beneficiary. Retirement account distributions are among the most...