The Apgar score a measure of the physical condition of a newborn baby. It is a whole number value from 0 to
10. Define the random variable X to be the Apgar score of a randomly selected newborn baby. The table gives the
probability distribution of X once again.
Value x
Probability P
0
3 4
5
6
1 2
7 8 9 10
0.001 0.006 0.007 0.008 0.012 0.020 0.038 0.099 0.319 0.437 0.053
Calculate and interpret the expected value of X