THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
Let the random variable X follow a normal distribution with a mean of μ and a standard deviation of σ.Let 
1 be the mean of a sample of 16 observations randomly chosen from this population,and 
2 be the mean of a sample of 25 observations randomly chosen from the same population.
-Suppose that 15% of all invoices are for amounts greater than $1,000.A random sample of 60 invoices is taken.What is the mean and standard error of the sample proportion of invoices with amounts in excess of $1,000? What is the probability that the proportion of invoices in the sample is greater than 18%?
Definitions:
Uninvolved
A parenting style characterized by a lack of responsiveness to a child's needs and a general disengagement from their life.
Parents
The guardians responsible for raising and nurturing a child, which can include biological, adoptive, step, or foster parents.
Homogenous
Characterized by similarity or uniformity in structure, composition, or nature.
Cultural Context
Refers to the environment and social factors that influence the values, practices, and behaviors of individuals and communities.
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