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Find the area under the t-distribution from t = -2.093 to t = 2.093 when n * 1 point = 20 97.5% 995 Find the t-critical value of 2.5th percentile using the t-table with a degree * 1.pom of freedom of 5. O 4.030 O 2.571 -2571 -4030 The principal of Mapayapa Integrated National High School claimed that * 1 pom the average salary of their teachers is P24, 000 per month. A random sample of 15 teachers in the school has a mean of P23. 220, and a standard deviation of P400. Find the t - score? O 5 O -7.5 O -3.5 15.5What is the percentile rank of the critical value of t. when n = 20 and te - * 1 point 2.093? 0.05th 2.5th O 97.5th 99.5th Given of = 19 and t = -2:093, What is the percentile rank of the critical value of t? 0.05th 2.5th 97.5th O 99.5thGiven df = 19 and 1= -2.093. . What is the area to the right of t = -2.093? * 97.5% 95% O 99%%In Student's t-distribution, if the sample size is 25. what is the degree of * 1 point freedom? 5 24 O 25 26 In Student's t-distribution, what is the sample size if the degree of freedom is 25? O 5 24 O 25 26 A battery manufacturer claims that its midgrade battery has an average * 1 points life of 50 months with a standard deviation of & months. On the assumption that the manufacturers' claim is true, find the probability that 30 randomly selected battery of this type will last less than 48 months. (2pts) O 0.0351 0.0307 O 0.0336 O 0.0294