9.4.59-T Question Help A cellphone provider has the business objective of wantin

Question

9.4.59-T Question Help A cellphone provider has the business objective of wanting to determine the proportion of subscribers who would upgrade to a new cellphone with improved features if it were made available at a substantially reduced cost. Data are collected from a random sample of 400 subscribers. The results indicate that 91 of the subscribers would upgrade to a new cellphone at a reduced cost Reducing the price will be profitable if at least 20% of the subscribers would upgrade. Complete parts a and b below. a. At the 0.05 level of significance, is there evidence that more than 20% of the customers would upgrade to a new cellphone at a reduced cost? Determine the null hypothesis, Ho, and the alternative hypothesis, H1 OA. Ho. 0.20 O c. Ho'# 0.20 O B. Ho:0.20 H- 0.20 Ha = 0.20

Explanation / Answer

The null hypothesis is that of equality and therefore the correct answer is D . the alternate is that of inequality here

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