A typical newborn will sleep about: 10 hours a day. 13 hours ...

[pragya sharda]

A typical newborn will sleep about:
 
  10 hours a day.
  13 hours a day.
  17 hours a day.
  20 hours a day.

Question 2

If a child's weight is in the 50th percentile this means that
 
  50 percent of his cohorts weigh less than he does.
  he weighs 50 percent more than his cohorts.
  50 percent of his cohorts weigh the same as he does.
  his cohorts weigh 50 percent more than he does.

[connor417]

Answer to Question 1

17 hours a day.

Answer to Question 2

50 percent of his cohorts weigh less than he does.