10.A new drug that induces sleeping is developed and the developer claims the drug

has the same effect on both children and adults. In trying to find out if the

developer's claim is true, we get random samples of 50 children and 90 adults

and find that after administering the drug, 23 of children slept and 40 of adults

slept. By taking a = 0.1 and interpreting results after testing, carry out [10 Marks]

a) A hypothesis test of the developer's claim if it is true.