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

Author Question: Sales prices of baseball cards from the 1960s are known to possess a right skewed distribution with ... (Read 52 times)

mp14

  • Hero Member
  • *****
  • Posts: 534
on: Jun 24, 2018
Sales prices of baseball cards from the 1960s are known to possess a right skewed distribution with a mean sale price of 5.25 and a standard deviation of 2.80. Suppose a random sample of 100 cards from the 1960s is selected. Describe the sampling distribution for the sample mean sale price of the selected cards.
 
  A) right skewed with a mean of 5.25 and a standard error of 0.28
  B) normal with a mean of 5.25 and a standard error of 2.80
  C) right skewed with a mean of 5.25 and a standard error of 2.80
  D) normal with a mean of 5.25 and a standard error of 0.28

Question 2

Current estimates suggest that 75 of the home-based computers in a foreign country have access to on-line services. Suppose 20 people with home-based computers were randomly and independently sampled. Find the probability that more than 9 of those sampled currently do not have access to on-line services.
 
  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

ktidd

  • Sr. Member
  • ****
  • Posts: 319
Reply #1 on: Jun 24, 2018
Answer to Question 1

D

Answer to Question 2

0.0139


mp14

  • Member
  • Posts: 534
Reply 2 on: Jun 24, 2018
Wow, this really help

Jossy

  • Member
  • Posts: 336
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.

Did you know?

Methicillin-resistant Staphylococcus aureus or MRSA was discovered in 1961 in the United Kingdom. It if often referred to as a superbug. MRSA infections cause more deaths in the United States every year than AIDS.

Methicilli ...
Did you know?

More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.

Did you know?

If all the neurons in the human body were lined up, they would stretch more than 600 miles.

Did you know?

As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.

The four processes of pharmacokinetics: absorption, distribution, metabolism, and excretion. The four processes of pharmacokinetics: absorption, distribution, metabolism, and excretion.
The distribution of the sarcoplasmic reticulum and tubules around myofibrils of skeletal muscle. The distribution of the sarcoplasmic reticulum and tubules around myofibrils of skeletal muscle.
The typical distribution of neurofibrillary tangles and amyloid plaques in the brains of patients ... The typical distribution of neurofibrillary tangles and amyloid plaques in the brains of patients ...
World Distribution of Temperature World Distribution of Temperature
The distribution of high-energy, nutritious biscuits was a lifeline in the first days after the 2010 The distribution of high-energy, nutritious biscuits was a lifeline in the first days after the 2010
The Distribution of Water on Earth The Distribution of Water on Earth
Video: Conjunctivitis

For a complete list of videos, visit our video library