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

Author Question: About 95.4 of the values of a normal random variable are within approximately how many standard ... (Read 128 times)

809779

  • Hero Member
  • *****
  • Posts: 579
on: Jun 24, 2018
About 95.4 of the values of a normal random variable are within approximately how many standard deviations of its mean?
 a. 1.7
  b. 2
  c. 2.5
  d. 3

Question 2

We can use the normal distribution to make confidence interval estimates for the population proportion, p, when _____.
 a. np  5
  b. n(1  p)  5
  c. p has a normal distribution
  d. np  5 and n(1  p)  5


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

KKcool

  • Sr. Member
  • ****
  • Posts: 340
Reply #1 on: Jun 24, 2018
Answer to Question 1

b

Answer to Question 2

d


809779

  • Member
  • Posts: 579
Reply 2 on: Jun 24, 2018
Excellent

laurnthompson

  • Member
  • Posts: 334
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

Dogs have been used in studies to detect various cancers in human subjects. They have been trained to sniff breath samples from humans that were collected by having them breathe into special tubes. These people included 55 lung cancer patients, 31 breast cancer patients, and 83 cancer-free patients. The dogs detected 54 of the 55 lung cancer patients as having cancer, detected 28 of the 31 breast cancer patients, and gave only three false-positive results (detecting cancer in people who didn't have it).

Did you know?

A strange skin disease referred to as Morgellons has occurred in the southern United States and in California. Symptoms include slowly healing sores, joint pain, persistent fatigue, and a sensation of things crawling through the skin. Another symptom is strange-looking, threadlike extrusions coming out of the skin.

Did you know?

About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.

Did you know?

Bisphosphonates were first developed in the nineteenth century. They were first investigated for use in disorders of bone metabolism in the 1960s. They are now used clinically for the treatment of osteoporosis, Paget's disease, bone metastasis, multiple myeloma, and other conditions that feature bone fragility.

Did you know?

Though “Krazy Glue” or “Super Glue” has the ability to seal small wounds, it is not recommended for this purpose since it contains many substances that should not enter the body through the skin, and may be harmful.

Blood glucose measurement. A postprandial test may be self-administered. (a) A lance pierces the ski Blood glucose measurement. A postprandial test may be self-administered. (a) A lance pierces the ski
Retinopathy. Illustration of a normal retina (left) and a diseased retina (right). The diseased reti Retinopathy. Illustration of a normal retina (left) and a diseased retina (right). The diseased reti
Tonsils—normal and enlarged. Tonsils—normal and enlarged.
Schematic representations of (a) random, (b) alternating, (c) block, and (d) graft copolymers. Schematic representations of (a) random, (b) alternating, (c) block, and (d) graft copolymers.
How to find the derivative of a function when the base and exponent contain a variable x^x How to find the derivative of a function when the base and exponent contain a variable x^x
Selected Narrow Sense Heritability (h2) Values for Animals and Plants Selected Narrow Sense Heritability (h2) Values for Animals and Plants
Video: Dorsal Recumbent Position

For a complete list of videos, visit our video library