« previous next »

Author Question: When the level of confidence increases, the confidence interval _____. a. stays the same b. ... (Read 41 times)

NguyenJ

  • Hero Member
  • *****
  • Posts: 516
on: Jun 24, 2018
When the level of confidence increases, the confidence interval _____.
 a. stays the same
  b. becomes wider
  c. becomes narrower
  d. cannot be determined from the information given

Question 2

The weight of items produced by a machine is normally distributed with a mean of 8 ounces and a standard deviation of 2 ounces. What percentage of items will weigh between 6.4 and 8.9 ounces?
 a. .1145
  b. .2881
  c. .1736
  d. .4617


kaykay69

  • Sr. Member
  • ****
  • Posts: 322
Reply #1 on: Jun 24, 2018
Answer to Question 1

b

Answer to Question 2

d


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.

Did you know?

There are more bacteria in your mouth than there are people in the world.

Did you know?

Medications that are definitely not safe to take when breastfeeding include radioactive drugs, antimetabolites, some cancer (chemotherapy) agents, bromocriptine, ergotamine, methotrexate, and cyclosporine.

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?

Many of the drugs used by neuroscientists are derived from toxic plants and venomous animals (such as snakes, spiders, snails, and puffer fish).

Variation in the level of multicellularity among volvocine algae Variation in the level of multicellularity among volvocine algae
Substrate–level phosphorylation. Substrate–level phosphorylation.
Dose-response relationship. As the dose of a drug increases, a maximal response or plateau is ... Dose-response relationship. As the dose of a drug increases, a maximal response or plateau is ...
The four levels of PPE according to the EPA (from left to right): Level A, Level B, Level C, and ... The four levels of PPE according to the EPA (from left to right): Level A, Level B, Level C, and ...
The gap between the projected level of greenhouse gas emissions The gap between the projected level of greenhouse gas emissions
There are many ways for an individual to monitor his or her blood glucose level There are many ways for an individual to monitor his or her blood glucose level
Video: Osmosis - Isotonic, Hypotonic, and Hypertonic​ Solutions

For a complete list of videos, visit our video library