This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: A student obtains a sample of college students by interviewing her friends. A) Yes B) ... (Read 146 times)

Bernana

  • Hero Member
  • *****
  • Posts: 530
on: Aug 2, 2018
A student obtains a sample of college students by interviewing her friends.
 
  A) Yes B) No

Question 2

Scores on the final exam in Math 160 have a mean of 73 and standard deviation of 7.8.If 24 students are randomly selected, find the probability that the mean of their test scores is less than 70.
 
  A) 0.1006 B) 0.9699 C) 0.0278 D) 0.0301


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Yixagurpuldink

  • Sr. Member
  • ****
  • Posts: 341
Reply #1 on: Aug 2, 2018
Answer to Question 1

B

Answer to Question 2

D


Bernana

  • Hero Member
  • *****
  • Posts: 530
Reply #2 on: Aug 2, 2018
Thanks


Yixagurpuldink

  • Sr. Member
  • ****
  • Posts: 341
Reply #3 on: Aug 2, 2018
Welcome :)


« previous next »
 

Did you know?

Many medications that are used to treat infertility are injected subcutaneously. This is easy to do using the anterior abdomen as the site of injection but avoiding the area directly around the belly button.

Did you know?

Pink eye is a term that refers to conjunctivitis, which is inflammation of the thin, clear membrane (conjunctiva) over the white part of the eye (sclera). It may be triggered by a virus, bacteria, or foreign body in the eye. Antibiotic eye drops alleviate bacterial conjunctivitis, and antihistamine allergy pills or eye drops help control allergic conjunctivitis symptoms.

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.

Did you know?

Carbamazepine can interfere with the results of home pregnancy tests. If you are taking carbamazepine, do not try to test for pregnancy at home.

Did you know?

Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.

Sample Stress Management Program Sample Stress Management Program
Sample Medicare identification card. Sample Medicare identification card.
A sample encounter form. A sample encounter form.
Sample prescriptions of antibiotics for dental infections. Sample prescriptions of antibiotics for dental infections.
Sample prescription for chlorhexidine. Sample prescription for chlorhexidine.
Student Perspective of Research Student Perspective of Research
Video: Osteoporosis

For a complete list of videos, visit our video library