A study wаs dоne where dоgs were sepаrаted by weight (under 50 pоunds vs. 50 pounds and over). The dogs were tested to see if by age 8 they were showing signs of joint deterioration. The results are in the table below, which does not have a total column or row. Use the table to answer the questions that follow. If you would like the possibility of partial credit, show the work on your scrap sheet in getting fraction values for proportions. If you just answer with decimals, it is all or nothing. Shows signs of joint deterioration No signs of joint deterioration Under 50 pounds 85 131 50 pounds or over 78 62 Blank 1) How many dogs were studied in total? Blank 2) Rounded to the third decimal digit (so for example 0.671) what proportion of the dogs overall showed signs of joint deterioration? Blank 3) Of the dogs who showed signs of joint deterioration, what proportion were under 50 pounds? Blank 4) Of the dogs who were 50 pounds or over, what proportion showed signs of joint deterioration?