Write any percent as a decimal and any decimal as a percent.At a certain company 84.9% of the employees have engineering degrees.
A. 849
B. 0.849
C. 8.49
D. 0.0849
Answer: B
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Provide an appropriate response.A town has 13 police officers to be apportioned among 3 precincts based on the population of each precinct. The populations for the years 2015 and 2016 are given in the following table. 
Does the population paradox occur using Hamilton's method of apportionment?
A. Yes B. No
Given the values of x and y, find an equation of variation in which y varies directly as x.y = 1.1, when x = 0.5
A. x = 2.2y B. y = 2.2x C. y = 1.1x D. x = 1.1y
Find the phase shift.y = -2 cos
A. 
units to the left
B. ? units to the left
C. 
units to the right
D. 2? units to the right
Use Bayes' rule to find the indicated probability.An water well is to be drilled in the desert where the soil is either rock, clay or sand. The probability of rock P(R) = 0.53. The clay probability is P(C) = 0.21. The sand probability is P(S) = 0.26. It if it rock, a geological test gives a positive result with 35% accuracy. If it is clay, this test gives a positive result with 48% accuracy. The test gives a 75% accuracy for sand. Given the test is positive, what is the probability that soil is rock, P(sand | positive)?
A. P(sand | positive) = 0.405 B. P(sand | positive) = 0.26 C. P(sand | positive) = 0.209 D. P(sand | positive) = 0.385