Multiple Choice Identify the choice that best completes the statement or answers

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Multiple Choice Identify the choice that best completes the statement or answers the What is the error of rejecting a true null hypothesis? a. a Type I error b. a Type Il error c. can be either a or b, depending on the situation d. committed when not enough information is 1. 5. available Exhibit 2 A study found that, in 2015, 12.5% of U.S. workers belonged to unions. Suppose a sample of 400 U.S. workers is collected in 2016 to determine whether union efforts to organize have increased union membership. Ho: p s.125: H: p>.125. A sample result shows that 64 of the workers belonged to unions. Refer to Exhibit 2. The test statistic is a. 0.80 b. 2.12 c. 1.15 d. 0.05 2. Refer to Exhibit 2. At a.05 level of significance, what is your conclusion a. accept alternative hypothesis b. accept null hypothesis c. reject alternative hypothesis d. reject null hypothesis 3. Refer to Exhibit 2. The p-value is a. 0.1251 b. 0.017 c. 0.05 d. 0.2112 4. 8. Exhibit 3 A statistics teacher wants to see if there is any difference in the abilities of students enrolled in statistics today and those enrolled five years ago. A sample of final examination scores from students enrolled today and from students enrolled five years ago was taken. You are given the following information. 9. Today 84 Five Years Ago

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?According to chegg's policy I'm allowed to solve only one question at one time. So do not down vote. I'm supposed to solve first question.

ANSWER-

OPTION a. A type 1 error

The type I error rate is the probability of rejecting the null hypothesis given that it is true.

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