7 pts) Make a frequency distribution using eight classes. Clearly show the class

Question

7 pts) Make a frequency distribution using eight classes. Clearly show the class limits and class boundary. (First show calculations to get the class width.)

(8 pts) A recent survey asked 85 students if they support the current policy of carrying guns in Wisconsin. The results are shown here.   

Male

Female

Support

27

13

No Support

22

23

What is the probability that a selected person supports it when the selected person was a female?

What is the probability that a selected person was a male when the selected person was non-supportive?

Male

Female

Support

27

13

No Support

22

23

Explanation / Answer

Following is the completed table:

Out of 36 females , 13 supports so the probability that a selected person supports it when the selected person was a female will be (13/36) = 0.3611

Out of 45 non supportive person, 22 are male so the probability that a selected person was a male when the selected person was non-supportive is (22/45) = 0.4889

Male female Total Support 27 13 40 No Support 22 23 45 Total 49 36 85

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