LSAT test scores are normally distributed with a mean of 500 and a standard deviation of 100. Find the probability that a randomly chosen test taker will score 340 or lower. Round your answer to four decimal places.

Fill in the blank(s) with the appropriate word(s).


0.0548

Mathematics

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Provide an appropriate response.Explain the error in the following:  =  -  = x - 6.

What will be an ideal response?

Mathematics

Solve the problem.If a rocket is propelled upward from ground level, its height in meters after t seconds is given by  During what interval of time will the rocket be higher than 294 m?

A. 6 < t < 10 B. 5 < t < 6 C. 0 < t < 5 D. 10 < t < 11

Mathematics

Determine the domain and the range of the function.f(x) = -x2 - 2x + 3

A. domain: {x|x ? -1} range: {y|y ? 4} B. domain: all real numbers range: {y|y ? -4} C. domain: {x|x ? -1} range: {y|y ? -4} D. domain: all real numbers range: {y|y ? 4}

Mathematics

The radioactive substance neptunium-139 decays to 73.64% of its original amount after 24 hours. How long (to the nearest hour) would it take for 39% of the original neptunium to be present? ?

A. 83 hr B. 77 hr C. 39 hr D. 74 hr E. 68 hr

Mathematics