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The worldwide market share for a web browser was 20.1% in a recent month. Suppose that a sample of 120 random students at a certain university finds that 30 use the browser. Complete parts (a) through (d) below. a. At the 0.01 level of significance, is there evidence that the market share for the web browser at the university is greater than the worldwide market share of 20.1%? Determine the null and alternative hypotheses. O A. Ho: n20.201; H,: z< 0.201 O B. Ho: T= 0.201; H,: x#0.201 &c. Họ: TS0.201; H,: x>0.201 O D. Ho: n#0.201; H,: x = 0.201 Calculate the test statistic. ZSTAT =O (Type an integer or decimal. Round to two decimal places as needed.)

The worldwide market share for a web browser was 20.1% in a recent month. Suppose that a sample of 120 random students at a certain university finds that 30 use the browser. Complete parts (a) through (d) below. a. At the 0.01 level of significance, is there evidence that the market share for the web browser at the university is greater than the worldwide market share of 20.1%? Determine the null and alternative hypotheses. O A. Ho: n20.201; H,: z< 0.201 O B. Ho: T= 0.201; H,: x#0.201 &c. Họ: TS0.201; H,: x>0.201 O D. Ho: n#0.201; H,: x = 0.201 Calculate the test statistic. ZSTAT =O (Type an integer or decimal. Round to two decimal places as needed.)

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 8CR
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The worldwide market share for a web browser was 20.1% in a recent month. Suppose that a sample of 120 random students at a certain university finds that 30 use the browser. Complete parts (a) through (d) below. ..... a. At the 0.01 level of significance, is there evidence that the market share for the web browser at the university is greater than the worldwide market share of 20.1%? Determine the null and alternative hypotheses. A. Ho: T20.201; H,: ↑< 0.201 В. Но: п%3D0.201;B Н,: л#0.201 С. Но: пS0.201;B H;: 1> 0.201 D. Ho: л#0.201; Н,: л%3D0.201 Calculate the test statistic. ZSTAT = (Type an integer or a decimal. Round to two decimal places as needed.) %3D
Transcribed Image Text:The worldwide market share for a web browser was 20.1% in a recent month. Suppose that a sample of 120 random students at a certain university finds that 30 use the browser. Complete parts (a) through (d) below. ..... a. At the 0.01 level of significance, is there evidence that the market share for the web browser at the university is greater than the worldwide market share of 20.1%? Determine the null and alternative hypotheses. A. Ho: T20.201; H,: ↑< 0.201 В. Но: п%3D0.201;B Н,: л#0.201 С. Но: пS0.201;B H;: 1> 0.201 D. Ho: л#0.201; Н,: л%3D0.201 Calculate the test statistic. ZSTAT = (Type an integer or a decimal. Round to two decimal places as needed.) %3D
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