Question: Please help answer these questions 15. What is the probability of choosing a yellow ball and a green ball from the box with replacement? Color

Please help answer these questions

15. What is the probability of choosing a yellow ball and a green ball from the box with replacement? Color of the Number of ball balls Red 3 White 2 Green Yellow 4 A.2/100 B.4/100 C.6/100 D.8/100View ACROBAT Tell me what you want to do. 10.A researcher feeds sleeping drug to 50 rats and another 50 rats are not fed. He observes and records how long the rats can be awake. What kind of study is this? A Single blind B.Double blind C-Observational study D-Sample survey 1 1.If an estimate of a population parameter is given by a single value, then the estimate is called A.sample interval estimate B-point estimate C-confidence interval estimate D-population interval estimate 12.30 randomly selected students took the calculus final. If the sample mean score was 81 and the standard deviation was 12.6, then find the 95% confidence interval for the mean score of all students. A. 78 M2 B.Ho: M1 = 12; Ha: MI # M2 C.Ho: M1 = M2; Ha: MI

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