Thirteen jurors are randomly selected from a population of million residents. Of these million residents, it is known that % are of a minority race. Of the jurors selected, are minorities. (a) What proportion of the jury described is from a minority race?

(b) If jurors are randomly selected from a population where % are minorities, what is the probability that or fewer jurors will be minorities?

(c) What might the lawyer of a defendant from this minority race argue?

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The rate of decay of a radioactive substance depends upon the amount present initially. the mass y (mg) of the radioactive substance cobalt-60 present in a sample at time t (years) is represented by the exponential equation y=50e −0.1315 t . answer the following questions in complete sentences. 1. how does the exponential equation above compare to the equation for simple interest that is compounded continuously? explain the similarities. 2. what is the initial amount of cobalt-60 in the sample? 2. how much cobalt-60 is left after 8.4 years? show your work. 3. what would be the y-intercept of the graph? what does it represent? 4. after how many years will the amount of cobalt-60 left be 6.25 mg? explain what happens to the cobalt-60 after 50 years? 5. discuss some “real-world” examples and uses of cobalt-60

How do i do this activity, is appreciated