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

Author Question: What is a simple random sample? ... (Read 15 times)

bobbie

  • Hero Member
  • *****
  • Posts: 592
on: Aug 1, 2018
What is a simple random sample?

Question 2

The lower limit of a confidence interval at the 95 level of confidence for the population proportion if a sample of size 200 had 40 successes is:
 a. 0.2554.
  b. 0.1446.
  c. 0.2465.
  d. 0.1535.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

snackralk

  • Sr. Member
  • ****
  • Posts: 363
Reply #1 on: Aug 1, 2018
Answer to Question 1

In a simple random sample, every person or element in the population has an equal chance of being included in the sample.

Answer to Question 2

B


bobbie

  • Member
  • Posts: 592
Reply 2 on: Aug 1, 2018
Gracias!

bigsis44

  • Member
  • Posts: 317
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

Did you know?

By definition, when a medication is administered intravenously, its bioavailability is 100%.

Did you know?

Critical care patients are twice as likely to receive the wrong medication. Of these errors, 20% are life-threatening, and 42% require additional life-sustaining treatments.

Did you know?

Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.

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.

Oldowan tools are simple flake tools struck from a core. Oldowan tools are simple flake tools struck from a core.
Sample Problem from Raven’s Progressive Matrices Sample Problem from Raven’s Progressive Matrices
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.
Free energy diagrams for the simple reaction A ----> B Free energy diagrams for the simple reaction A ----> B
(left) Urine sample from an unaffected person does not change color upon exposure to air. (right) Ur (left) Urine sample from an unaffected person does not change color upon exposure to air. (right) Ur
One generation of random mating produces Hardy–Weinberg equilibrium One generation of random mating produces Hardy–Weinberg equilibrium
Video: Stroke volume - preload, sarcomere length and Frank -Starling law

For a complete list of videos, visit our video library