Spam: A researcher reported that 71.8% of all email sent in a recent month was spam. A system manager at a large corporation believes that the percentage 00 at his company may be 70%. He examines a...

Extracted text: Spam: A researcher reported that 71.8% of all email sent in a recent month was spam. A system manager at a large corporation believes that the percentage 00 at his company may be 70%. He examines a random sample of 500 emails received at an email server, and finds that 374 of the messages are spam. Can you conclude that the percentage of emails that are spam is greater than 70% ? Use both a=0.10 and a=0.01 levels of significance and the P-value method with the TI-84 Plus calculator. Part 1 of 4 Itornato bynotheses


Extracted text: Part 2 of 4 Compute the P-value. Round the answer to four decimal places. P-value3D 彩 Skip Part Check 15