Discussion:
Q: Hypothetical Data for Kil-EZ Carcinogenicity Test
Number of test rats
|
Number of rats with tumors
|
Rat test dose in mg Kil-EZ per kg rat body weight (mg/kg/day)
|
Probability of a rat's developing tumors
|
Lower 95% confidence level
|
Upper 95% confidence level
|
|
50
|
1
|
0
|
.02
|
|
|
|
50
|
5
|
20
|
.10
|
|
|
|
50
|
10
|
40
|
.20
|
|
|
|
50
|
20
|
80
|
.40
|
|
|
|
50
|
7*
|
160
|
.14
|
|
|
Calculate the 95% confidence intervals for each of the relevant probabilities in your Table, and insert into the fifth and sixth columns of the Table.