Question

In: Statistics and Probability

Fatal (L1) Non Fatal(L2) Survival(L3) Russia (C1) 9 56 13 Brazil (C2) 12 21 39 United...

Fatal (L1)

Non Fatal(L2)

Survival(L3)

Russia (C1)

9

56

13

Brazil (C2)

12

21

39

United States (C3)

8

57

7

South Africa (C4)

5

244

16

Following is a contingency table providing a cross-classification of worldwide reported shark attacks during the 1990s, by country and lethality of attack.

  1. Find the probability that the attack was Nonfatal
  2. Find the probability that Brazil reported
  3. Find the probability that Brazil reported the attack was Nonfatal
  4. Find the probability that Brazil reported or the attack was Nonfatal
  5. Find the probability that Brazil reported given that the attack was Nonfatal
  6. Find the probability that the attach was Nonfatal given that Brazil reported
  7. Construct a Relative Frequency Contingency Table, determine parts (i-vi) again
  8. Verify your answers obtained from contingency table and relative frequency contingency table

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