Question

Newly purchased automobile tires of a certain type are supposed to be filled to a pressure of 30 psi. Let µ denote the true average pressure. Find the p-value associated with each of the following given z statistic values for testing H_0:μ=30 versus H_a:μ≠30 when σ is known:

a. 2.10

b.-1.75

c. 0.58

d. 1.44

e. -5.00

A hint is given  =norm.dist(x,mean,stdev,true) To get the desired p-value

Answer 1

(a)

(b)

(c)

(d)

(e)