Question

6. Suppose we go back to the example from question 3. Suppose the probability remains at...

6. Suppose we go back to the example from question 3. Suppose the probability remains at 16% but we now take a sample of size 100. a. What is the standard error of the proportion? b. What is the probability that the sample proportion of people who have white as an ethnicity is between 10% and 25%?

Homework Answers

Answer #1

The probability that the sample proportion of people who have white as ethnicity is between 10% and 25% is

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
Suppose we go back to the example from question 3. Suppose the probability remains at 16%...
Suppose we go back to the example from question 3. Suppose the probability remains at 16% but we now take a sample of size 100. What is the standard error of the proportion? What is the probability that the sample proportion of people who have white as ethnicity is between 10% and 25%? Two estimates are available for the same population parameter. Estimate one has a standard deviation of 9.3 and estimate two has a standard deviation of 9.4. Estimate...
3. Similarly to #2, we want to look at ethnicity for the deaths in New York....
3. Similarly to #2, we want to look at ethnicity for the deaths in New York. We know that 16% of the deaths included in our data set were to people who identified as white for ethnicity. Assume we take a sample of 20 deaths. How many people with white as an ethnicity would you expect to die from our sample of 20 deaths? What is the standard deviation? What is the probability that exactly 2 people with white as...
Going back to the example from question 3, suppose we now decide to look at similar...
Going back to the example from question 3, suppose we now decide to look at similar data but compare men and women’s drinking habits. Gender Men Women Sample Size 20 22 Average Drinks Per Week 10.5 4.7 Sample Standard Deviation 11.7 4.8 What is the 99% confidence interval for the difference between the average for men and women? What is the test statistic for the difference from men to women? What is the p-value?
Based on past data, it is known that about 8.96% of people who go to the...
Based on past data, it is known that about 8.96% of people who go to the doctor end up testing positive for influenza. Suppose we take a sample of 100 doctor visits and find that 9.17% of people test positive for influenza. We want to see if there is evidence that the percentage of people who have influenza is increasing. If I wanted to control my margin of error and set it to 3% with 99% confidence, what sample size...
Based on past data, it is known that about 8.96% of people who go to the...
Based on past data, it is known that about 8.96% of people who go to the doctor end up testing positive for influenza. Suppose we take a sample of 100 doctor visits and find that 9.17% of people test positive for influenza. We want to see if there is evidence that the percentage of people who have influenza is increasing. Show all steps with formulas used. If I wanted to control my margin of error and set it to 3%...
Suppose that 55% of voters will vote “YES” to proposition 30. If we take a sample...
Suppose that 55% of voters will vote “YES” to proposition 30. If we take a sample of size 100, what is the probability that the sample proportion exceeds 50%?
***PLEASE ANSWER ALL QUESTIONS*** Question 6 (1 point) Suppose that the probability of a baseball player...
***PLEASE ANSWER ALL QUESTIONS*** Question 6 (1 point) Suppose that the probability of a baseball player getting a hit in an at-bat is 0.284. If the player has 38 at-bats during a week, what's the probability that he gets no more than 11 hits? Question 6 options: 1) 0.1411 2) 0.4686 3) 0.0706 4) 0.3903 5) 0.6097 Question 7 (1 point) 196 employees of your firm were asked about their job satisfaction. Out of the 196, 29 said they were...
Question: The probability that a standard normal variable, Z, is below 1.96 is 0.4750. (T/F) Question-After...
Question: The probability that a standard normal variable, Z, is below 1.96 is 0.4750. (T/F) Question-After an extensive advertising campaign, the manager of a company wants to estimate the proportion of potential customers that recognize a new product. She samples 120 potential consumers and finds that 54 recognize this product. She uses this sample information to obtain a 95 percent confidence interval that goes from 0.36 to 0.54. True or False: 95 percent of the people will recognize the product...
       Suppose we wish to make an estimate of the proportion of the population that has a...
       Suppose we wish to make an estimate of the proportion of the population that has a learning disability.  We take a random sample of 100 people.  In this sample, 15% of the respondents have a learning disability.        1.  Construct a 95% confidence interval for the proportion of people in the population who have a learning disability.        2.  Interpret, in words, the meaning of this interval.       
Suppose we repeatedly take samples of size 100 from the population distribution, calculate a sample mean...
Suppose we repeatedly take samples of size 100 from the population distribution, calculate a sample mean each time, and plot those sample means in a histogram. The histogram we created would be an example of a (variable, population, distribution, sampling distribution???) . According to the central limit theorem, the histogram would have a shape that is approximately (left skewed, right skewed or normal???) , with mean  (give a number???) and standard deviation  (give a number??). The standard deviation of the statistic under...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT