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Determined whether the sampling method described below appears to be sound or flawed
In a survey of 502 human resource professional, each was asked about the importance of the appearance of a job applicant. The survey subjects were randomly selected by pollsters from a reputable market research firm.
a) it is flawed because it is a census
b) it is flawed because it is not statistically significant.
c) it appears to be sound because the data are not biased in anyway.
d) it is flawed because it is a voluntary response sample.
after darlene bowled 2 more games her mean score for all 6 games was 135. what could her scores for each of those 2 games have been?
Standard Deviation of Expected Profits. Suppose that next year the U.S. will be in one of the following economic conditions: Boom, Moderate Growth, Recession, or Depression.
find the gradient field of f where f(x,y)= xy-2x. skecht some lever of a curve.
HP has endoints H (-4, 2 * square root of 3) and P (1, - square root of 18) Find the coordinates of the image HP after a dilation centered at the origin with k=2/3.
Showing all working, solve the following pair of simultaneous equations for i1 and i2, expressing the answers to exact whole numbers:
Recall that this sample statistic is meant to approximate the population parameter. For a 95% confidence level, what is the margin of error for this poll?
Two tracking stations are on the equator 119 miles apart. A weather balloon is located on a bearing of N 35°E from the western station and a bearing of N 22°E from the eastern station. How far, to the nearest mile, is the balloon from the western ..
A trapezoid with bases 4 m and 6 m is partially submerged vertically in water so that the top is 1 m above the surface and the bottom is 1 m below the surface. Express the hydrostatic force against one side of the plate as an integral and evaluate..
Find the level of production for each sector in order to satisfy the demand for $100 million worth of food, $40 million worth of clothing, and $250 million worth of shelter. (Round your answer to the nearest whole number.)
water flows from a container at the rate of 2.5 litres per minute. The water flows into a tank that already holds 50 litres. How long in seconds is it before there are 765 litres of water to be in the tank?
A boat leaves a dock at 2pm and travels due west at a speed of 15 km/h. Another boast has been heading due south at 12km/h and reaches the same dock at 3. at what time were the two boats closest together?
Using the definition of big-O, show that 2n element of O(6*n^2). Using the definition of big-O, show that 6n^2 not element of O(2n)
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