The following table represents the number of active-duty military personnel by r

Question

The following table represents the number of active-duty military personnel by rank in the four major branches of the military. Complete parts (a) through (d). 0.196 (Round to three decimal places as needed) (b) If an active-duty military person is selected at random, what is the probability that the individual s in the Navy? 0.227 (Round to three decimal places as needed) (c) If an active-duty military person is selected at random, what is the probability that the individual is a Naval officer? 0.041 (Round to three decimal places as needed) (d) If an active-duty military person is selected at random, what is the probability that the individual is an officer or is in the Navy? (Round to three decimal places as needed.)

Explanation / Answer

b)

probability that individual is from navy

= 294436/1298437

= 0.227

c)

probability that inividual is naval officer

= 53182/1298437

= 0.041

d)

probabilty that individual is an officer or in navy

= 254917/1298437 + 294436/129837

= 0.196 + 0.227

= 0.423

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