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

Author Question: Construct a 95 confidence interval for p1 - p2. The sample statistics listed below are from ... (Read 66 times)

jon_i

  • Hero Member
  • *****
  • Posts: 549
Construct a 95 confidence interval for p1 - p2. The sample statistics listed below are from independent samples. Sample statistics: n1 = 50, x1 = 35, and n2 = 60, x2 = 40
 
  A) (-0.141, 0.208 ) B) (-0.871, 0.872 ) C) (-1.341, 1.781 ) D) (-2.391, 3.112 )

Question 2

Which of the following is not a characteristic of Students t-distribution?
 
  A) mean of 1
  B) symmetric distribution
  C) depends on degrees of freedom.
  D) For large samples, the t and z distributions are nearly equivalent.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

blakcmamba

  • Sr. Member
  • ****
  • Posts: 335
Answer to Question 1

A

Answer to Question 2

A




jon_i

  • Member
  • Posts: 549
Reply 2 on: Jul 24, 2018
Excellent


chereeb

  • Member
  • Posts: 326
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

Did you know?

Blastomycosis is often misdiagnosed, resulting in tragic outcomes. It is caused by a fungus living in moist soil, in wooded areas of the United States and Canada. If inhaled, the fungus can cause mild breathing problems that may worsen and cause serious illness and even death.

Did you know?

Elderly adults are at greatest risk of stroke and myocardial infarction and have the most to gain from prophylaxis. Patients ages 60 to 80 years with blood pressures above 160/90 mm Hg should benefit from antihypertensive treatment.

Did you know?

Oxytocin is recommended only for pregnancies that have a medical reason for inducing labor (such as eclampsia) and is not recommended for elective procedures or for making the birthing process more convenient.

Did you know?

Complications of influenza include: bacterial pneumonia, ear and sinus infections, dehydration, and worsening of chronic conditions such as asthma, congestive heart failure, or diabetes.

Did you know?

Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.

For a complete list of videos, visit our video library