Chapter 9.3, Problem 31E

a)

To determine

To state null and alternative hypotheses

b)

To determine

To identify sample mean

c)

To determine

To identify sample standard deviation

d)

To determine

To identify degrees of freedom

e)

To determine

To find decision about null hypothesis at a = 0.05

f)

To determine

To find test statistic

g)

To determine

To find p-value

h)

To determine

To find decision about null hypothesis at a = 0.05