Ask Question
BusinessBusiness
14 August, 16:47

A national health organization warns that 30% of middle school students nationwide have been drunk. concerned, a local health agency randomly and anonymously surveys 110 of the 1212 middle school students in its city. only 21 report having being drunk. is there any reason to believe that the national level of 30% is not true of the middle school students in this city?

+4
Answers (1)
  1. 14 August, 17:13
    0
    The proportion of middle school students reported having been drunk is:

    P = 21/110 = 0.191 = 19.10%

    Using this proportion and by creating a 95% Confidence Interval, is the range of proportion is between:

    11.7% and 26.4%

    Therefore it is not true that 30% of middle school students have been drunk.
Know the Answer?
Not Sure About the Answer?
Find an answer to your question 👍 “A national health organization warns that 30% of middle school students nationwide have been drunk. concerned, a local health agency ...” in 📗 Business if the answers seem to be not correct or there’s no answer. Try a smart search to find answers to similar questions.
Search for Other Answers
You Might be Interested in
Adjusting entries include adjustments for revenues earned but not yet collected and expenses incurred but not yet paid.
Answers (1)
Refer to the Restaurant Research Scenario. What are the interactions between the customers and the wait staff called?
Answers (1)
Based on the following data, would you recommend buying or renting? Rental Costs - Annual costs - Annual rent $7,380, Insurance $145. Security deposit $ 650.
Answers (1)
Chandra spent part of her workday booking flights and accommodations for her vacation next month. she tells herself that this is okay because all of her colleagues use the internet for personal business at work, and they do it far more than she does.
Answers (1)
Claude, a creditor seeking to collect a debt, calls on Dianne and demands payment in a rude and insolent manner. When Dianne says that she cannot pay, Claude calls Dianne a deadbeat and says that he will never trust Dianne again.
Answers (1)
New Questions in Business
Sharp Focus Cameras is facing intense competitive pressure. Top marketing managers are looking for ways to cut costs. They are considering a plan to cut distribution costs by eliminating marketing intermediaries from the channel of distribution.
Answers (1)
Older adults who participated in 20 one-hour video game training sessions with the program lumosity showed reduction in their:
Answers (1)
The total of tools, equipment, machinery, and buildings used to produce goods and services is called supply. True or False
Answers (1)
What percentage of federal revenues is made up of corporate taxes
Answers (1)
F Rudy offers Oscar $200 for his laptop valued at $600 and Oscar agrees, a court will probably
Answers (1)
Home » Business » A national health organization warns that 30% of middle school students nationwide have been drunk. concerned, a local health agency randomly and anonymously surveys 110 of the 1212 middle school students in its city.
Sign Up Forgot Password?