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A digital scale is used to measure the mass of a product on a manufacturing line. The scale has a range of 0-5 kg and uses a 12-bit A/D converter. In addition, it has an accuracy of 1 % of its reading. List the uncertainties and categorize them as systematic or random. Calculate the uncertainty in a measurement of 3.20 kg by this instrument.
A group of sheep, infested with tapeworms, are randomly divided into two groups as follows. Each sheep is assigned a number (1 through 20) and then 10 numbers are selected by drawing 10 slips of paper from a box having the numbers 1 through 20 writte..
a bag contains 6 green marbles 10 blue marbles and 4 yellow marbles. what is the chance of drawing a green marble? if a
in a large american university in 1969 the male and female professors were sample independently yielding the following
the distribution of the sat scores in math for an incoming class of business students has mean of 580 and standard
how often do you have to toss a coin to determine pheads within .1 of its true value with probability at least
An automobile manufacturer has a new model that they claim gets 27 miles per gallon. A consumer testing agency chooses 50 of these cars and finds that the sample mean is 25 miles per gallon and the sample standard deviation (s) is 3 miles per gall..
Each year approximately 160 colleges compete in national concrete canoe competion. Each team should design a seaworthy canoe from a substance not known for its capacity to float. T
A teller can process an average of 100 customers per hour, which also can be modeled by a Poisson distribution. If there is one teller on duty, determine:
Please state the null and alternative hypothesis in symbols and in words. Compare the P-value to the Level of Significance. Do you accept or reject Ho.
Angela works as a quality supervisor. She has uncovered a quality issue with safety brackets on baby swings. Angela determines that 21% of the safety brackets are out of spec.
a box contains one twenty-dollar bill and four one-dollar bills. two bills are randomly chosen one at a time without
a prospective cohort study showed that 200 new cases of disease x occurred in 2000 person-years. calculate the
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