Does providing nutritional counseling improve baby birth wei

Does providing nutritional counseling improve baby birth weights in low-income families from the current average of 3000 g? A randomized trial finds that the birth weight of babies with mothers receiving nutritional counseling averages 3200 g. The set of hypotheses being tested is

H0 : = 3000 g versus Ha : > 3000g.

H0 : = 3200 g versus Ha : > 3200g.

H0 : = 3200 g versus Ha > 3200g.

H0 : = 3000 g versus Ha > 3000g.

Solution

Claim is nutritional counselling improve baby birth weights in low income families

Hence hypothesis should be as follows:

H0: mu = 3000 g

Ha: mu > 3000 g