5 Multiple Choice Ap Stats questions. Very Confused..
Question 1 (2 points) (06.02 LC) Which of the following terms describes when the null hypothesis is NOT rejected when it should be rejected? (2 points) O a Significance level, or Ob Type I error O c Type II error Od p-Value O e Alternative hypothesis Question 2 (2 points) (06.01 LC) A hypothesis test is conducted with a significance level of 5%. The alternative hypothesis states that more than 65% of a population is right- handed. The p-value for the test is calculated to be 0.03. Which of the following statements is correct? (2 points) O a We can conclude that more than 3% of the population is right-handed. Ob We cannot conclude that more than 65% of the population is right-handed. O c We can conclude that more than 65% of the population is right-handed. O d We can conclude that exactly 3% of the population is right-handed. O e There is not enough information given to make a conclusion.Question 3 (2 points) (06.02 MC) Which of the following increases the power of a significance test? (2 points) I. Increase o Il. Increase the sample size Ill. Decrease the variability of the data O a Ionly Ob II only O c Ill only O d l and ill only O e I, II, and Ill Question 4 (2 points) (06.02 MC) A large school district notices that about 15% of its students drop out of school. A company suggests the district try its new technology software designed to improve student motivation in the high school curriculum and, thus, lower the dropout rate. The new technology software is quite expensive, so the company offers a free, one-year trial period to determine whether the dropout rate decreases. If it works, the school district will pay for continued use of the software. What would happen if the school district makes a Type II error? (2 points) O a Claim the new technology software decreases the number of students who drop out, when it does decrease the number of dropouts. Ob Claim the new technology software decreases the number of students who drop out, when it does not decrease the number. O c Claim the new technology software does not decrease the number of students who drop out, when it does decrease the number. O d Claim the new technology software does not decrease the number of students who drop out, when it does not decrease theQuestion 5 (2 points) (06.02 HC) Mars candy company is testing one of its machines in the factory to make sure it is producing more than 98 high-quality candy (Ho: p = 0.98; Ha: p > 0.98;