Determine whether the given events are disjoint.Knowing Spanish and knowing Chinese
A. Yes
B. No
Answer: B
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According to the Empirical Rule, approximately __________ percent of data should fall within one standard deviation of the mean average for the data if the distribution is normal.
A. 95.5 B. 68.2 C. 99.7 D. it varies
Find the volume specified. Use 3.14 as the approximate value of ?, and round your answer to the nearest tenth.Find the volume of a tent having the shape of a rectangular solid of length 11 ft, width 14 ft, and height 5 ft topped by a rectangular pyramid of the same width and length with height 4 ft.
A. 975.3 ft3 B. 1540.0 ft3 C. 205.3 ft3 D. 410.6 ft3
Solve. Round all amounts to one decimal place.3 is what percent of 24?
A. 12.5% B. 800% C. 1.3% D. 0.1%
Solve the problem.A charitable organization estimates that 60% of the people in a certain area who make a contribution in one year will also contribute the next year, and that 10% of those who do not contribute one year will contribute the next. Let x and y denote the number of people who contribute in one year respectively, and let u and v be the corresponding numbers for the following year.(a) Write a matrix equation relating 
to 
.(b) Solve the equation for 
/>.(c) Suppose that out of 10,000 people, 1500 made a contribution this year. How many made a contribution last year? What will be an ideal response?