Question

A preacher would like to establish that of people who pray, less than 80 percent pray...

A preacher would like to establish that of people who pray, less than 80 percent pray for world peace. In a random sample of 110 persons, 77 of them said that when they pray, they pray for world peace. You are to test the preacher’s claim at the 10 percent level of significance.
a) What would be the appropriate set of hypotheses for this test?
b) What type of test is given?
c) What is the maximum probability of committing a type I error?
d) Which test statistic would be most appropriate to use?
e) Find the test score for this test.
f) Find the critical value.
g) What would be your decision?
h) How would you conclude?

Homework Answers

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
You wish to test the claim that the average IQ score is less than 100 at...
You wish to test the claim that the average IQ score is less than 100 at the .01 significance level. You determine the hypotheses are: H o : μ = 100 H 1 : μ < 100 You take a simple random sample of 60 individuals and find the mean IQ score is 98.7, with a standard deviation of 14.6. Let's consider testing this hypothesis two ways: once with assuming the population standard deviation is not known and once with...
A humane society claims that less than thirty two percent of U.S. households own a dog....
A humane society claims that less than thirty two percent of U.S. households own a dog. In a random sample of four hundred and nine U.S.​ households, 153 say they own a dog. At alphaαequals=0.04 is there enough evidence to support the​ society's claim?​(a) Write the claim mathematically and identify Upper H 0H0 and Upper H Subscript aHa. ​(b) Find the critical​ value(s) and identify the rejection​ region(s). (c) Find the standardized test statistic.​ (d) Decide whether to reject or...
You wish to test the claim that the average IQ score is less than 100 at...
You wish to test the claim that the average IQ score is less than 100 at the .005 significance level. You determine the hypotheses are: Ho: μ=100 H1:μ<100 You take a simple random sample of 76 individuals and find the mean IQ score is 95.5, with a standard deviation of 15.1. Let's consider testing this hypothesis two ways: once with assuming the population standard deviation is not known and once with assuming that it is known. Round to three decimal...
A. A supermarket claims that the average wait time at the checkout counter is less than...
A. A supermarket claims that the average wait time at the checkout counter is less than 9 minutes.  Assume that we know that the standard deviation of wait times is 2.5 minutes. We will test at 5% level of significance. Consider H0: mu >= 9 H1: mu < 9 A random sample of 50 customers yielded an average wait time of 8.2 minutes. What is the critical value for the Zstat (the Z-test statistic)? (Provide two decimal places)____________ B. Given the...
2. In a study of smokers who tried to quit smoking with nicotine patch therapy, 39...
2. In a study of smokers who tried to quit smoking with nicotine patch therapy, 39 were smoking one year after the treatment, and 32 were not smoking one year after the treatment (based on data from “High Dose Nicotine Patch Therapy,” by Dale et al., Journal of the American Medical Association, Vol. 274, No. 17). We want to use a 0.05 significance level to test the claim that among smokers who try to quit with nicotine patch therapy, the...
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,...
A claim is made that the average salary for all jobs in Minnesota is greater than...
A claim is made that the average salary for all jobs in Minnesota is greater than $70,500. You are going to test the claim using α=0.05 and assume that your data is normally distributed and the population standard deviation (σ) is not known. a. Write the null and alternative hypotheses symbolically and identify which hypothesis is the claim. Then identify if the test is left-tailed, right-tailed, or two-tailed and explain why. b. Identify and explain which test statistic you will...
A random sample of 100 students at a high school was asked whether they would ask...
A random sample of 100 students at a high school was asked whether they would ask their father or mother for help with a financial problem. A second sample of 100 different students was asked the same question regarding a dating problem. If 43 students in the first sample and 47 students in the second sample replied that they turned to their mother rather than their father for help, test the hypothesis of no difference in the proportions. Use α...
In a survey of one hundred and eight five females who recently completed high​ school, eighty...
In a survey of one hundred and eight five females who recently completed high​ school, eighty percent were enrolled in college. In a survey of one hundred and fifty males who recently completed high​ school, sixty eight percent were enrolled in college. At α=0.07​, can you reject the claim that there is no difference in the proportion of college enrollees between the two​ groups? Assume the random samples are independent. Complete parts​ (a) through​ (e). ​(a) Identify the claim and...
5. The decision-making process A graduate student believes that people consider faces with more contrast between...
5. The decision-making process A graduate student believes that people consider faces with more contrast between lip color and skin tone as more feminine. He identifies the null and alternative hypotheses as: H₀: The level of contrast between lip color and skin tone does not affect how feminine a face is considered. H₁: The level of contrast between lip color and skin tone affects how feminine a face is considered. He chooses a significance level of 0.05. After he collects...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT