Question

We want to know if the proportion of people with a certain trait is less than...

We want to know if the proportion of people with a certain trait is less than 0.5. We observe 100 people and find that 44 of them have the trait of interest. Conduct a hypothesis test to answer this question.

Math   Statistics-And-Probability   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
A USA Today article claims that the proportion of people who believe global warming is a...
A USA Today article claims that the proportion of people who believe global warming is a serious issue is 0.5, but given the number of people you've talked to about this same issue, you believe it is greater than 0.5. The hypotheses for this test are Null Hypothesis: p ≤ 0.5, Alternative Hypothesis: p > 0.5. You take a random sample and perform a hypothesis test, getting a p-value of 0.3256. What is the appropriate conclusion? Conclude at the 5%...
Let the random variable p indicate the population proportion of people who plan to vote for...
Let the random variable p indicate the population proportion of people who plan to vote for Donald Trump in the upcoming election. In a sample of 50 people, you find the sample proportion of people who plan to vote for Donald Trump is  p ^ = .45. Construct a 95% confidence interval for p, the true proportion of people who plan to vote for Donald Trump. You want to test the hypothesis that the population proportion of people who will vote...
A USA Today article claims that the proportion of people who believe global warming is a...
A USA Today article claims that the proportion of people who believe global warming is a serious issue is 0.59, but given the number of people you've talked to about this same issue, you believe it is greater than 0.59. The hypotheses for this test are Null Hypothesis: p ≤ 0.59, Alternative Hypothesis: p > 0.59. You take a random sample and perform a hypothesis test, getting a p-value of 0.9623. What is the appropriate conclusion? Conclude at the 5%...
A suggestion is made that the proportion of people who have food allergies and/or sensitivities is...
A suggestion is made that the proportion of people who have food allergies and/or sensitivities is 0.42. You believe that the proportion is actually greater than 0.42. The hypotheses for this test are Null Hypothesis: p ≤ 0.42, Alternative Hypothesis: p > 0.42. If you select a random sample of 25 people and 17 have a food allergy and/or sensitivity, what is your test statistic and p-value? Question 8 options: 1) Test Statistic: 2.634, P-Value: 0.004 2) Test Statistic: -2.634,...
*Identify the null and alternative hypotheses for an experiment with one population proportion *Compute the value...
*Identify the null and alternative hypotheses for an experiment with one population proportion *Compute the value of the test statistic (z-value) for a hypothesis test for proportion *Determine the p-value for a hypothesis test for proportion *Make a conclusion and interpret the results for a hypothesis test for proportion using the P-Value Approach 1. In manufacturing processes, it is of interest to know with confidence the proportion of defective parts. Suppose that we want to be reasonably certain that less...
7. We want to know whether the difference in the population proportions between group 1 and...
7. We want to know whether the difference in the population proportions between group 1 and group 2 is less than 0. Specifically, we want to test H0 : p1 − p2 ≥ 0 versus Ha : p1 − p2 < 0. We know that 468 of the 729 observations in group 1 have the characterisitic. And, we know that 463 of the 684 observations in group 2 have the characterisitic. (a) What is the sample proportion for group 1?...
7. We want to know whether the difference in the population proportions between group 1 and...
7. We want to know whether the difference in the population proportions between group 1 and group 2 is less than 0. Specifically, we want to test H0 : p1 − p2 ≥ 0 versus Ha : p1 − p2 < 0. We know that 347 of the 628 observations in group 1 have the characterisitic. And, we know that 421 of the 717 observations in group 2 have the characterisitic. (a) What is the sample proportion for group 1?...
Test the claim that the proportion of people who own cats is significantly different than 20%...
Test the claim that the proportion of people who own cats is significantly different than 20% at the 0.01 significance level. The alternative hypothesis would be: μ>0.2 p≠0.2 μ≠0.2 p>0.2 p<0.2 μ<0.2 The test is: right-tailed two-tailed left-tailed Based on a sample of 500 people, 16% owned cats The test statistic is: (to 2 decimals) The p-value is: (to 2 decimals) Based on this we: Reject the null hypothesis Fail to reject the null hypothesis The conclusion is: At the...
According to a reputable​ magazine, 34​% of people in a certain large country have sleepwalked at...
According to a reputable​ magazine, 34​% of people in a certain large country have sleepwalked at least once in their lives. Suppose a random sample of 200 people showed that 44 reported sleepwalking. The null and alternative hypotheses for a test that would test whether the proportion of people who have sleepwalked is 0.34 are H0:p=0.34 and Ha​: p≠0.34 respectively. The conditions for such a test are satisfied. Use the technology output provided to determine the test statistic and​ p-value...
We are testing the hypothesis H0:p=.75 Ha:p<.75 for the # the proportion of people who find...
We are testing the hypothesis H0:p=.75 Ha:p<.75 for the # the proportion of people who find an enrollment website “easy to use.” The test will be based on a simple random sample of size 400 and at a 1% level of significance. Recall that the sample proportion vary with mean p and standard deviation = sqroot( p(1-p)/n) You shall reject the null hypothesis if The P_value of the test is less than 0.01 a) Find the probability of a type...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT