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

Author Question: What is the probability that a respondent chosen at random enjoys or does not enjoy shopping for ... (Read 21 times)

segrsyd

  • Hero Member
  • *****
  • Posts: 530
on: Jun 24, 2018
What is the probability that a respondent chosen at random enjoys or does not enjoy shopping for clothing?

Question 2

The number of degrees of freedom needed to construct 90 confidence interval for the difference between means when the data are gathered from paired samples, with 15 observations in each sample, is:
 a. 30 b. 15
  c. 28 d. 14


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

carlsona147

  • Sr. Member
  • ****
  • Posts: 341
Reply #1 on: Jun 24, 2018
Answer to Question 1

P(enjoys or does not enjoy shopping for clothing) = (720 + 280) / 1000 = 1.00

Answer to Question 2

d


segrsyd

  • Member
  • Posts: 530
Reply 2 on: Jun 24, 2018
Gracias!

cam1229

  • Member
  • Posts: 329
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

Cucumber slices relieve headaches by tightening blood vessels, reducing blood flow to the area, and relieving pressure.

Did you know?

Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.

Did you know?

The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.

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?

After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.

Random X-chromosome inactivation in a calico cat. Random X-chromosome inactivation in a calico cat.
Using Probability Calculations in Genetics Using Probability Calculations in Genetics
How to calculate the probability of complementary events How to calculate the probability of complementary events
How to use a tree diagram to find the probability How to use a tree diagram to find the probability
Assume z is a standard normal random variable. What is the value of z if the area to the right ... Assume z is a standard normal random variable. What is the value of z if the area to the right ...
Discrete random variables- Probability Distribution Function Discrete random variables- Probability Distribution Function
Video: Secondary and tertiary levels of protein structure Animation

For a complete list of videos, visit our video library