Children as young as 2 years of age, upon seeing an object placed under a pillow in afamiliar setting at home, will later remember where to look for about 35% of the time.Investigators believe this capability will be less pronounced in a laboratory situation,where the child is away from the familiar setting of home. Let p denote theproportion of 2-year-olds who remember in the laboratory situation. Investigatorswish to determine whether the proportion of 2-year-olds who remember where to lookis smaller than the know proportion for the home setting when children are in alaboratory situation.
a) What is the appropriate null hypothesis in this study?
b) What is the appropriate alternative hypothesis in this study?
c) In the context of this study, describe a Type I error and a Type II error.

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The Answer of Children as young as 2 years of age, upon seeing an object placed under a pillow in afamiliar setting at home, will later remember where to look for about 35% of the time.Investigators believe this capability will be less pronounced in a laboratory situation,where the child is away from the familiar setting of home. Let p denote theproportion of 2-year-olds who remember in the laboratory situation. Investigatorswish to determine whether the proportion of 2-year-olds who remember where to lookis smaller than the know proportion for the home setting when children are in alaboratory situation.
a) What is the appropriate null hypothesis in this study?
b) What is the appropriate alternative hypothesis in this study?
c) In the context of this study, describe a Type I error and a Type II error.

Children as Young as 2 Years of Age, Upon Seeing