The national blood bank sponsored by the US estimates that approximately 38% of the population has blood type O+. Suppose a local blood bank samples 14 participants, and determines that 8 participants are O+.

A)Can we approximate by the normal distribution in this instance?

B)Depending on your decision in part A), carry out a test to determine if the proportion of responses based on the local blood bank differ significantly from those at the national blood bank.