For each question draw the normal curve and shade the area where
applicable
Do not give calculator key strokes. ( Give the formula used
)
Circle your answer to each question.
3. The daily salaries of substitute teachers for eight local
school district is given:
60, 56, 60, 55, 70, 55, 60, 55.
What is the point estimate of the population mean μ.
(Sample Mean)
Find the 90% confidence interval for the mean salaries of
substitute teachers in the...