Author Question: Find z1 if the area to the left of a positive z1 is 0.9131.[br][br][b][color=green]Question ... (Read 50 times)

jhjkgdfhk

  • Hero Member
  • *****
  • Posts: 569
Find z1 if the area to the left of a positive z1 is 0.9131.

Question 2

In an effort to identify the true proportion of shoplifters who are under age 18, a random sample of 300 shoplifting cases was taken. One hundred and twenty of those cases involved persons under age 18 . What value would be used to estimate the true proportion of under age 18 shoplifters?



todom5090

  • Sr. Member
  • ****
  • Posts: 328
Answer to Question 1

1.36

Answer to Question 2

0.4



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.

Did you know?

Automated pill dispensing systems have alarms to alert patients when the correct dosing time has arrived. Most systems work with many varieties of medications, so patients who are taking a variety of drugs can still be in control of their dose regimen.

Did you know?

Only one in 10 cancer deaths is caused by the primary tumor. The vast majority of cancer mortality is caused by cells breaking away from the main tumor and metastasizing to other parts of the body, such as the brain, bones, or liver.

Did you know?

Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).

Did you know?

Symptoms of kidney problems include a loss of appetite, back pain (which may be sudden and intense), chills, abdominal pain, fluid retention, nausea, the urge to urinate, vomiting, and fever.

For a complete list of videos, visit our video library