Suppose 500 coins are tossed. Using the normal curve approximation to the binomial distribution, find the probability of the indicated results.230 heads or less

A. .042
B. .037
C. .959
D. .041


Answer: D

Mathematics

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Graph the equation.(x - 4)2 + y2 = 25 

A.

B.

C.

D.

Mathematics

Solve.Yearly homeowner property taxes are figured at a rate of $1.45 tax for every $100 of home value. Find the property taxes on a house valued at $89,000.

A. $1290.50 B. $129.05 C. $891.45 D. $1291.95

Mathematics

Solve the problem or provide an explanation.Graph y = x2 - 6x - 7 and f(x) =  together on your graphing calculator. State the domain of f(x), and explain the connection between the domain of f(x) and the graph of 

A. The domain of  The domain of f(x) is the set of all x-values for which the graph of  is on or above the x-axis.
B. The domain of f(x) is [-1, 7). The domain of f(x) is the set of all x-values for which the graph of  is on or below the x-axis.
C. The domain of f(x) is ?. There is no connection between the domain of f(x) and the graph of y = x2 - 6x - 7.
D. The domain of f(x) is (-?, ?). The domain of f(x) is the same as the domain of 

Mathematics

The educational attainment of a country population age 25 years or older in 2007 is shown in the circle graph. Use the fact that the population of people 25 years or older was approximately 243.32 million in 2007. Estimate the number of people 25 years or older who have advanced degrees. Round your anser to two decimal places. ? ?

A. 24.09 million B. 64.09 million C. 44.09 million D. 54.09 million E. 34.09 million

Mathematics