Question: 27
(Choose 1 answer)
In 2004, the infant mortality rate (per 1,000 live births) for the 50 states and the District of Columbia had a mean
of 6.98 and a standard deviation of 1.62. Assuming that the distribution is normal, what percentage of states
had an infant mortality rate between 5 and 7 percent?
Let P(Z<-1.22)=0.11, P(Z<0.01)=0.50, P(Z<-8.27)=0, P(Z<0.07)=0.53.
A. 0.39
B. 0.53
C. 0.50
D. 0.61
E. None of the other choices is correct
