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Let x be a positive number. The random variable R is normally distributed with mean x and standard deviation 0.25x. The random variable T is normally distributed with mean 0.5x and standard deviation 0.5x.

Quantity A

P (R <1.375x)

Quantity B

P (T <1.25x)




According to the table, the percent of households in 1980 with neither a microwave oven nor a central air conditioner must be in which of the following inclusive intervals?


The figure above represents a game board with a chip at staring point M. On successive plays, the chip may be moved along the lines from one labled point to an adjacent labled point, but may not be moved to the same point twice. Along how many different paths can the chip be moved from M to N in this game?
The adipose tissue in which our bodies store fat from the food we eat has traditionally been thought of as __________, but in reality this tissue constitutes a dynamic organ, not a mere repository.
Whereas in the early nineteenth century phrenologists had seen every part of the brain surface as the seat of a specific intellectual or moral faculty, the 1830s and 1840s saw a (i)___________ of this belief, to such an extent that the brain came to be seen as (ii)__________.
In general, the relationship between neural activity and behavioral output is ____________: multiple behaviors can be associated with activation of the same neurons and multiple neurons can trigger the same behavior.
The senator complained that the president`s argument against the provision was __________, gaining its apparent plausibility from a distorted presentation of the relevant data.
Most tree-dwelling lizards drop to the ground when threatened. But Sphenomorpus sabanus uses (i)____________, avoiding predation by hanging upside down and clinging to a branch with its hind claws so as to resemble a twig. Researchers suggest that the advantages of S. sabanus`s strategy is its (ii)____________. When predatory birds expect their prey to fall to the ground, the argument runs, (iii)____________ a lizard still hanging from a branch.
Because it was exposed by a _____________ fracture, the rock's structure could be seen free of weathering or lichen growth.
The _____________ of criteria for determining what is meant by "balance" and whether it is beneficial makes it difficult to evaluate claims that probiotics promote a healthy balance of microorganisms in the body.
Defying expectation, the electorate seems poised to (i) _____________ a number of political tenets so (ii) _____________ that they are often paraded as fact.
The tools of science are so specialized that we accept them as a kind of _____________ machinery for producing knowledge: we know that they work, but cannot explain why.
Only novel ideas should be awarded patents; if a concept is _____________to practitioners in a given field or has previously been published in almost any fashion, that fact should invalidate the application.
The primary purpose of the passage is to
The primary purpose of the passage is to
It can be inferred from the passage that an abundance of heather beetles in Dutch heathlands
The passage suggests which of the following about art collectors in antiquity?
The units digit of $$7^{n}$$ is r, and the units digit of $$9^{n}$$ is t, where n, r, and t are positive integers. Which of the following could be the value of r+t?

Indicate all such values.
Yesterday, 40 percent of the employees who were at work at Company X left for the day before 5 P.M and 70 percent of the remaining employees left for the day before 6 P.M.

Quantity A

The percent of the employees at Company X yesterday who did not leave for the day before 6 P.M

Quantity B

20%


The average (arithmetic mean) of the values of the homes in Town A is $100,000. The average of the values of the homes in Town B is $150,000. The number of homes in Town A is between 2 times and 3 times the number of homes in Town B. Which of the following values could be the average of the values of the homes in Town A and Town B combined?

Indicate all such values.

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