A tech company claims that 60% of its customers are satisfied with their customer service. A consumer advocacy group is skeptical of this claim and conducts a random survey of 250 customers to investigate. Out of the sampled customers, 138 report being satisfied with the company's customer service. Test the validity of the company's claim using the data collected by the consumer advocacy group with a significance level of . =============================================== What is the null hypothesis? [ Select ] What is the alternative hypothesis? [ Select ] What is the test statistic? [ Select ] What is the correct conclusion if our ? Select from below. [ Select ] Our test statistic is less extreme than our critical value of -1.645 and we fail to reject the null hypothesis. Our test statistic is more extreme than our critical value of -1.645 and we reject the null hypothesis. Our test statistic is less extreme than our critical value of -1.96 and we fail to reject the null hypothesis. Our test statistic is more extreme than our critical value of -1.96 and we reject the null hypothesis