question 4 the bus you take every morning always arrives anyway from 2 minutes early to 15 minutes late...
ques 1. The bus you take every morning always arrives anywhere from 2 minutes early to 15minutes late and it is equally likely that it arrives during any of those minutes. Suppose that you arrive at the bus stop five minutes early. What is the probability that the bus arrives after you get to the bus stop?
ques 2.Draw a graph from 2 minutes early to 15 minutes late. Divide it into minutes. Shade in the appropriate region. How many minutes are in the graph? How many minutes did you shade?
ques 3.X~N(335, 50). Find the z-score corresponding to an observation of 284
ques 4.Scores on an exam follow an approximately Normal distribution with a mean of 76.4 and a standard deviation of 6.1 points. What percent of students scored below 90 points?
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