The U.S. Department of Defense provides data on the distribution of military personnel on active duty by branch of service. Below is a

table giving the percentage distribution for 1985.

Branch of Service

Percentage

Army

36.3

Navy

26.5

Marine Corps

9,2

Air Force

28.0

A random sample of 325 military personnel currently on active duty gave the following statistics.

Branch of Service

Frequency

Army

102

Navy

101

Marine Corps

40

Air Force

82

At the 5% significance level, do the data provide evidence that the current distribution personnel on active duty differs from the 1985

distribution?