Mathematics

In 42 of the 64 years from 1950 through 2014,the S& P 500 finished higher after the first five days of trading (in 2011 there was virtually no change). In 37 out of 42 years, the S&P 500 finished higher for the year. Is a good first week a good omen for the upcoming year? The following table gives the first-week and annual performance over this 64-year period. S&P 500's Annual Performance First week Higher Lower Total Higher 37 5 42 Lower 11 11 22 Total 48 16 64 a) If a year is selected at random, what is the probability that the S&P 500 finished lower for the year? b) Given that the S&P finished lower after the first five days of trading, what is the probability that it finished lower for the year? c) Are the two events "first week performance" and "annual performance" independent or dependent? Explain why.
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Myles has a room that is 300 m. If he wants to tile the room using 5 cm x 5 cm tiles, how many whole tiles will he have to use?
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2x^2-5x+1=4 factor step by step please
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which expression is equivalent to m-4/m+4 + (m+2) ?A. m-4/(m+4)(m+2)B. (m+4)(m+2)/m-4C. m-4)(m+2)/m+4D. m+4/(m-4)(m+2)
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The box plots summarize the attendance for the spring musical and the fall musical. Each musical was performed for six evenings.
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The volume of a cylinder is 8T cubic centimeters. Theradius and the height are equal. What is radius of thecylinder? Explain how you know.
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Jacob sells homemade skateboard decks for a profit of $27 per deck. He is considering switching to a new type of material that will increase his profit, as expressed by the function y = 32x, where x is the number sold and y is the amount of profit.How many more dollars will Jacob earn on each skateboard deck if he switches to the new material? Explain how you found your answer. (5 points)
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Find the distance between the two points rounding to the nearest tenth (if necessary). (1,7) and (4,5)
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PLEASE HELP ASAPFind the missing side of this righttriangle,816x = [?]
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Roger is binge-watching the new season of his favorite television show. It takes him 45n minutes to watch n episodes of the show. Last night, Roger watched 4 episodes.How long did it take Roger to watch 4 episodes of his favorite show?
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Which statement is true about the equation (x 4)(x + 2) = 16? O The equation x - 4 = 16 can be used to solve for a solution of the given equation. O The standard form of the equation is x2 - 2x - 8 = 0. O The factored form of the equation is (x + 4)(x - 6) = 0. O One solution of the equation is x = -6. vity
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Please help me to do this question with steps
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use distributive property to rewrite the expression 3x(x+4)
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A recent article in Business Week listed the "Best Small Companies." We are interested in the current results of the companies' sales and earnings. A random sample of 8 companies was selected and the sales and earnings, in millions of dollars, are reported below. Sales ($million) 89.2 18.6 18.2 71.7 58.6 46.8 17.5 11.9 Earnings ($million) 4.9 4.4 1.3 8 6.6 4.1 2.6 1.7 Let sales be the independent variable and earnings be the dependent variable. (i) Determine the estimated regression equation and comment on the coefficient of X. (ii) For a small company with $50.0 million in sales, estimate the earnings. (iii) Calculate the standard error of estimate and comment on it. (iv) Find the coefficient of determination and interpret the result.
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Rebecca paid $25.80 to place an advertisement in a local newspaper. The total cost is determined by a$5.00 set up cost and then a $0.40 per word cost. How many words were in Rebecca'sadvertisement?
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How do you determine which variable is independentand which one is independent?
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Which two statements are true according to the law of supply? A decrease in demand leads to an increase in supply. A decrease in demand leads to a decrease in supply. There is no change in demand or supply. A decrease in price leads to a decrease in supply. An increase in price leads to an increase in supply.subject is economics
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Please help NO LINKS LINKS=REPORTED
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8 squared + B squared = 10 squared Right triangle Pythagorean theorem
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Hmmmmmskksksksksksjsjsjdj
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When Bruce won a contest, he got a bronze medal with a radiusof 5 centimeters. What is the medal's diameter?
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HI can you guys please help with these
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Find the volume of the given cone.Pls help me, I am so stuckkkkkkkk!
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Write an equation of the line that passes through the given points.(-2,8) and (1, -1)
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