Calculate thep-value for the following conditions and determine whether or not to reject the null hypothesis.

a)one-tail test, zx-=1.20, and =0.10

b) one-tail test, zx-=-2.35, and=0.02

c) two-tail test, zx-=2.10, and=0.10

d) two tail test, zx-=-1.87, and=0.01

a) The p-value is ____. (Round to four decimal places as needed.)

b) The p-value is _____. (Round to four decimal places as needed.)

c) The p-value is ______. (Round to four decimal places as needed.)

d) The p-value is _____. (Round to four decimal places as needed.)