Answer:
The answer is B. The sample was biased because the survey was only given to a select group (the males). An unbiased sample would be a large group of random people (all genders included).
This is best done using a Venn Diagram.
Given:
Probability that he gets into NYPD is 0.60
Probability that he gets into CSI is 0.70
Probability that he gets into both is 0.40
Probability that he gets into ONLY NYPD? 0.60 - 0.40 = 0.20
Probability that he gets into ONLY CSI? 0.70 - 0.40 = 0.30
81 would be the answer becuss 9 times 9 is 81
Answer:
1\3
Step-by-step explanation:
Answer:
very beautiful question....
Option B
Step-by-step explanation:
X= 57-23=34
Answer
hope it helps