A genetic experiment with peas resulted in one sample of oftspring that consisted of 443 green peas and 166 yellow peasa. Construct a 90% confidence interval to estimate of the percentage of yollow peasb. It was expectnd that 25% of the oftspring peas would be yellow Geven that the percentage of offspring yellow peas trom the sample is not 25%, do the resuts contradict expectabons?a. Construct a 90% confidence interval. Express the percentages in decmal formD-p«Round to three decimal places as noeded)

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Answered: A genetic experiment with peas resulted…

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?

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What is meant by the sample space of an experiment?
The Marist Poll published a report stating that 66% of adults nationally think licensed drivers should be required to retake their road test once they reach 65 years of age. It was also reported that interviews were conducted on 1,018 American adults, and that the margin of error was 3% using a 95% confidence level. (a) How large the size of a sample needs to be if we want to a 90% confidence level with a margin of error no more than 1.5%?(b) Conduct a hypothesis testing of whether over 60% of the population thought that licensed drivers should be required to retake their road test once they turn 65? That is, test the hypotheses H0: p = 0.6 and Ha: p > 0.6, where p is proportion of American adults that thought licensed drivers should be required to retake their road test once they turn 65. Please report the test statistic and the P-value, and make a conclusion using a 0.01 significance level.
A researcher constructed a 95 percent confidence interval for the mean number of alfalfa weevils on an alfalfa plantwithin a field. Based on 80 randomly selected alfalfa plants, the researcher found an average of 2.5 alfalfa weevilsper plant and computed the 95 percent confidence interval to be 1.50 to 3.50. Which of the following statements is acorrect interpretation of the 95 percent confidence level? (A)Approximately 95 percent of alfalfa fields sampled will have an average of 1.50 to 3.50 alfalfa weevilsper plant, but nothing can be said about the sample mean number of alfalfa weevils for this or any otherfield.(B)Approximately 95 percent of alfalfa fields sampled will have an average of 1.50 to 3.50 alfalfa weevilsper plant. The sample mean for this field was 2.50 alfalfa weevils per plant, but the sample means forother fields may be different.(C)If we repeatedly sampled this field, taking samples of 80 plants and constructing 95% confidenceintervals, then, approximately 95…
A national opinion poll found that 44% of all American adults agree that parents should be given vouchers that can be applied toward their children's education at any public or private school of their choice. The result was based on a small sample. A)How large an SRS is required to obtain a margin of error of at most 0.03 in a 99% confidence interval? B) Answer the question in part A again but this time By using Phat=0.5. By how much do the two sample size differ?

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