Apublisher reports that 49% of their readers own a personal computer. a marketing executive wants to test the claim that the percentage is actually different from the reported percentage. a random sample of 200 found that 42% of the readers owned a personal computer. determine the p-value of the test statistic.

0.0239

Step-by-step explanation:

A publisher reports that 49% of their readers own a personal computer.

Claim : . A marketing executive wants to test the claim that the percentage is actually different from the reported percentage.

A random sample of 200 found that 42% of the readers owned a personal computer.

No. of people owned a personal computer =

                                                                       =

                                                                       =

We will use one sample proportion test  

Formula of test statistic =

                                       =

Now refer the p value from the z table

p value =0.0239

Hence The p value of test statistic is 0.0239

graph b

step-by-step explanation:

one solution- graph a (clear intercepting point.)

no solution- graph b (they're parallel, there will never be a point of interception.)

infinite solutions- graph c (all points intercept.)