This topic contains a solution. Click here to go to the answer

Author Question: Find the z-scores for which 98 of the distributions area lies between -z and z. A) (-2.33, 2.33 ) ... (Read 113 times)

D2AR0N

  • Hero Member
  • *****
  • Posts: 561
Find the z-scores for which 98 of the distributions area lies between -z and z.
 
  A) (-2.33, 2.33 ) B) (-1.645, 1.645 ) C) (-1.96, 1.96 ) D) (-0.99, 0.99 )

Question 2

Find the standardized test statistic estimate, z, to test the hypothesis that p1 > p2. Use  = 0.01. The sample statistics listed below are from independent samples. Sample statistics: n1 = 100, x1 = 38, and n2 = 140, x2 = 50
 
  A) 0.362 B) 2.116 C) 1.324 D) 0.638



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Animal_Goddess

  • Sr. Member
  • ****
  • Posts: 339
Answer to Question 1

A

Answer to Question 2

A





 

Did you know?

Although not all of the following muscle groups are commonly used, intramuscular injections may be given into the abdominals, biceps, calves, deltoids, gluteals, laterals, pectorals, quadriceps, trapezoids, and triceps.

Did you know?

Patients who have undergone chemotherapy for the treatment of cancer often complain of a lack of mental focus; memory loss; and a general diminution in abilities such as multitasking, attention span, and general mental agility.

Did you know?

IgA antibodies protect body surfaces exposed to outside foreign substances. IgG antibodies are found in all body fluids. IgM antibodies are the first type of antibody made in response to an infection. IgE antibody levels are often high in people with allergies. IgD antibodies are found in tissues lining the abdomen and chest.

Did you know?

The shortest mature adult human of whom there is independent evidence was Gul Mohammed in India. In 1990, he was measured in New Delhi and stood 22.5 inches tall.

Did you know?

The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.

For a complete list of videos, visit our video library