random sample of 817 births included 433 boys. Use a 0,01 significance level to test the claim that 50.7% of newborn Babies are boys. Do the results support the belief that 50 7% of newborn babies are boys?

random sample of 817 births included 433 boys. Use a 0,01 significance level to test the claim that 50.7% of newborn Babies are boys. Do the results support the belief that 50 7% of newborn babies are boys?

College Algebra (MindTap Course List)

12th Edition

ISBN:9781305652231

Author:R. David Gustafson, Jeff Hughes

Publisher:R. David Gustafson, Jeff Hughes

Chapter8: Sequences, Series, And Probability

Section8.7: Probability

Problem 58E: What is meant by the sample space of an experiment?

See similar textbooks

Similar questions

What is meant by the sample space of an experiment?
A sample of 45 households reveals that 23% have traveled overseas. Is this significantly different from a hypothesized value of 30%, which characterizes the entire country? Use a significance level of 0.05. Write down the null and alternative hypotheses, find the test statistic and the p-value, and state your conclusion.
The drug Ritalin is designed to stimulate the central nervous system. In a random sample of 252 boys aged ten – twelve years old, it was found that 44 of the boys were taking Ritalin. It is known that the proportion of all boys aged 13 – 15 who take Ritalin is 24%. A researcher claims that the population proportions of boys who take Ritalin aged 10 – 12 is different than boys aged 13 – 15. Can you support this claim at the 5% significance level? a. Conduct a hypothesis test to test the claim at the 5% significance level. Be sure to state you Ho and Ha, your test statistic and p-value, whether or not you reject Ho and whether you support the claim. b. Show that you can use the large sample methodology. c. Write a complete sentence describing what a Type I error is in context.
A magazine reported that 47% of Canadians are confident they will take a winter vacation at some point between December through March. To test the magazine's claim, a random sample of 65 Canadians is taken and 27 of them said they are confident they will take a winter vacation at some point between December through March. At 5% significance level do the sample data provide sufficient evidence to support that the actual percentage is smaller than what the magazine reported? A. What are the null and alternative hypotheses?(Type "mu" for the symbol μ, "xbar" for the symbol x¯, "p" for the symbol p, or "phat" for the symbol ?̂ p^, e.g. mu > 0.5 for the mean is greater than 0.5, xbar < 0.5 for the sample mean is less than 0.5, p not = 0.5 for the proportion is not equal to 0.5, phat = 0.5 for the sample proportion is equal to 0.5.Percentages should be provided as values between 0 and 1. Please do not include units.) H0 = Ha = B. What is the test statistic value? (Include as many…
A sample poll of 500 voters from Michigan and 300 voters from Wisconsin showed that 51% and 49% is in favor of Donald Trump, respectively. At a significance level of 0.05, and using two-tailed test: a.) What should be the good hypotheses? b.) What is the t-value/z-value? c.) Is there is a difference between the two states?
In a recent poll, 810 adults were asked to identify their favorite seat when they fly, and 495 of them chose a window seat. Use a 0.01 significance level to test the claim that the majority of adults prefer window seats when they fly. Identify the null hypothesis, alternative hypothesis, test statistic, P-value, conclusion about the null hypothesis, and final conclusion that addresses the original claim. Which of the following is the hypothesis test to be conducted? A. H0: p>0.5 H1: p=0.5 B. H0: p≠0.5 H1: p=0.5 C. H0: p=0.5 H1: p>0.5 D. H0: p<0.5 H1: p=0.5 E. H0: p=0.5 H1: p≠0.5 F. H0: p=0.5 H1: p<0.5 What is the test statistic? z= (Round to two decimal places as needed.) What is the P-value? P-value= (Round to four decimal places as needed.) What is the conclusion about the null hypothesis? A. Reject the null hypothesis in favor of the alternative hypothesis because the p-value is greater than…
Kevin, a Human Resources professional, would like to make the claim that the average hourly wage for administrative workers at his company is less than $9.69. Kevin samples 15 workers and obtains a sample mean of $8.80 per hour. At the 1% significance level, should Kevin reject or fail to reject the null hypothesis given the sample data below?
In a study of the accuracy of fast food drive-through orders, one restaurant had 36 orders that were not accurate among 338 orders observed. Use a 0.05 significance level to test the claim that the rate of inaccurate orders is equal to 10%. Does the accuracy rate appear to be acceptable? Identify the null and alternative hypotheses for this test. Choose the correct answer below. A. H0: p≠0.1 H1: p=0.1 B. H0: p=0.1 H1: p>0.1 C. H0: p=0.1 H1: p≠0.1 D. H0: p=0.1 H1: p<
In 1945,an organization asked 1502 randomly sampled American citizens, "Do you think we can develop a way to protect ourselves from atomic bombs in case others tried to use them against us?" with 795 responding yes. Did a majority of the citizens feel the country could develop a way to protect itself from atomic bombs in 1945?Use the α=0.01 level of significance. What are the null and alternative hypotheses? Upper H0: pp equals= 0.5 versus Upper H1: pp greater than> 0.5 (Type integers or decimals. Do not round.) Determine the test statistic, z0. z0 equals=nothing (Round to two decimal places as needed.)
In a study of the accuracy of fast food drive-through orders, one restaurant had 31 orders that were not accurate among 399 orders observed. Use a 0.01 significance level to test the claim that the rate of inaccurate orders is equal to 10%. Does the accuracy rate appear to be acceptable? Identify the null and alternative hypotheses for this test. Choose the correct answer below. A. H0: p=0.1 H1: p>0.1 B. H0: p=0.1 H1: p<0.1 C. H0: p=0.1 H1: p≠0.1 D. H0: p≠0.1 H1:p= Identify the test statistic for this hypothesis test. The test statistic for this hypothesis test is _____ (Round to two decimal places as needed.) Identify the P-value for this hypothesis test. The P-value for this hypothesis test is ____ (Round to three decimal places as needed.) Identify the conclusion for this hypothesis test. A. Reject H0. There is sufficient evidence to warrant rejection of the claim that the rate of inaccurate orders is equal to 10%.…
In a study of the accuracy of fast food drive-through orders, one restaurant had 40 orders that were not accurate among 319 orders observed. Use a 0.05 significance level to test the claim that the rate of inaccurate orders is equal to 10%. Does the accuracy rate appear to be acceptable? Identify the null and alternative hypotheses for this test. Choose the correct answer below. A. H0: p=0.1 H1: p≠0.1 B. H0: p=0.1 H1: p<0.1 C. H0: p=0.1 H1: p>0.1 D. H0: p≠0.1 H1: p=0.1 Identify the test statistic for this hypothesis test. The test statistic for this hypothesis test is (Round to two decimal places as needed.) Identify the P-value for this hypothesis test. The P-value for this hypothesis test is (Round to three decimal places as needed.) Identify the conclusion for this hypothesis test. A. Reject H0. There is not sufficient evidence to warrant rejection of the claim that the rate of…
In a study of the accuracy of fast food drive-through orders, one restaurant had 40 orders that were not accurate among 321 orders observed. Use a 0.01 significance level to test the claim that the rate of inaccurate orders is equal to 10%. Does the accuracy rate appear to be acceptable? Identify the null and alternative hypotheses for this test. Choose the correct answer below. A. H0: p≠0.1 H1: p=0.1 B. H0: p=0.1 H1: p<0.1 C. H0: p=0.1 H1: p≠0.1 D. H0: p=0.1 H1: p>0.1 Identify the test statistic for this hypothesis test. The test statistic for this hypothesis test is ______ (Round to two decimal places as needed.) Identify the P-value for this hypothesis test. The P-value for this hypothesis test is _______ (Round to three decimal places as needed.) Identify the conclusion for this hypothesis test. A. Reject H0. There is not sufficient evidence to warrant rejection of the claim that the rate of…