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

Author Question: In the construction of confidence intervals, if all other quantities are unchanged, an increase in ... (Read 24 times)

Arii_bell

  • Hero Member
  • *****
  • Posts: 596
on: Jun 24, 2018
In the construction of confidence intervals, if all other quantities are unchanged, an increase in the sample size will lead to a ________ interval.
 
  A) less significant B) wider C) narrower D) biased

Question 2

You were told that the mean score on a statistics exam is 75 with the scores normally distributed. In addition, you know the probability of a score between 55 and 60 is 4.41 and that the probability of a score greater than 90 is 6.68. What is the probability of a score lower than 55?
 
  What will be an ideal response?


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

karlss

  • Sr. Member
  • ****
  • Posts: 321
Reply #1 on: Jun 24, 2018
Answer to Question 1

C

Answer to Question 2

2.27 or 0.0227


Arii_bell

  • Member
  • Posts: 596
Reply 2 on: Jun 24, 2018
:D TYSM

daiying98

  • Member
  • Posts: 354
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.

Did you know?

More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.

Did you know?

The horizontal fraction bar was introduced by the Arabs.

Did you know?

People about to have surgery must tell their health care providers about all supplements they take.

Did you know?

Less than one of every three adults with high LDL cholesterol has the condition under control. Only 48.1% with the condition are being treated for it.

Gossip and ridicule increase the status insecurity of this time of life. Gossip and ridicule increase the status insecurity of this time of life.
Mean scores for Erikson’s stage VI (Intimacy) for two cohorts. Scores for both cohorts increase ... Mean scores for Erikson’s stage VI (Intimacy) for two cohorts. Scores for both cohorts increase ...
Factors for Tolerance Intervals Factors for Tolerance Intervals
Risk of Stroke and Heart Disease Increase with Increasing Blood Pressure Risk of Stroke and Heart Disease Increase with Increasing Blood Pressure
Warm Intervals and Ice Ages Warm Intervals and Ice Ages
IPCC Temperature Increase Predictions Relative to 1986-2005 IPCC Temperature Increase Predictions Relative to 1986-2005
Video: Atrial natriuretic peptide (vasodilation) & Aldosterone

For a complete list of videos, visit our video library