Find the indicated critical value. 20.01 Click to view page 1 of the table. Click to view page 2 of the table. 2001- (Round to two decimal places as needed.)
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- Life on Other Planets Forty-five percent of people believe that there is life on other planets in the universe. A scientist does not agree with this finding. He surveyed 110 randomly selected individuals and found 66 believed that there is life on other planets. At α=0.05, is there sufficient evidence to conclude that the percentage differs from 45%? Use the critical value method with tables. (c)Compute the test value. Round the answer to at least two decimal places. z=_________________Suppose the relationship between Y and X is given by: Y = 1,788,302 + 160.87*X + error By how much does the expected value of Y change if X increases by 23.09 units? (Round your answers to two decimal places; ex: 123.45.)if sigma=10.6 bpm bassed on the value s=10.6 bpm from the sample of 180 male pulse rates whats n=
- You are a correctional officer interested in whether the 45 children in your juvenile facility have significantly different recidivism rates than the population of juveniles in correctional facilities. The recidivism for your 45 children is an average of 14 per year (standard deviation of 2). The population recidivism has an average of 10 per year. The alpha level is .05. What is the t-calculated?Calculate the z-score of 4.3 in this population: 4.3 6.5 5.4 (Round your answer to two decimal places. Do not round until you get to the final answer.)Fifteen different video games showing alcohol use were observed. The duration times of alcohol use (in seconds) were recorded. When using this sample for a t test of the claim that the population mean is greater than 92 sec, what does df denote, and what is its value? What does df denote? What is the value DF is