A builder claims that bidets are installed in more than 50% of all homes being constructed today in suburban Lapu-lapu. Would you agree with this claim if a random survey of new homes in this city showed that 54 out of 150 had bidets installed? Use a 0.05 level of significance.

1. This problem is a test on what population parameter?

A. Mean

B. Variance/Standard Deviation

C. Population Proportion

2. What are the Significance level and Type of test

A. = 0.05, one-tailed

B. = 0.05, two-tailed

3. What is the Critical Value

A. 1.6449

B. 1.9600

C. 2.3263

D. 2.5758

4. What is the standardized test statistics?

A. -3.4293

B. -4.3542

C. -5.3423

5. What is the Statistical Decision in statement form?

A. With 0.05 level of significance, there is no enough evidence to support the claim of the builder that bidets are installed in 50% of all homes being constructed in suburban Lapu-lapu.

B. With 0.05 level of significance, there is enough evidence to support the claim of the builder that bidets are installed in 50% of all homes being constructed in suburban Lapu-lapu.