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Use a scatter diagram to see if there is any correlation in the data given below.
weightkg 052 056 058 063 060 066 066 069 072 076 071 079
heightcm 122 124 126 127 128 128 132 134 136 139 142 144
a) draw a line of best fit and describe the corrlation. b)from the graph estimate the height of someone weighing 75kg.
The Probability of a Random Number. A number n is chosen at random from the set {1, 2, ..., 20}. We are interested in k, the integer power of 2 which exactly divides n. Recall that we say that 2k exactly divides n if 2^k|n but 2^(k+1) |/ n. We wri..
A bullet of mass 0.04 kg travelling at 300 m/s hits a fixed wooden block and penetrates a distance of 4cm. Find the average resistance of the wood.
a rectangular pen is built with one side against a barn. Two hundred meters of fencing are used for the other three sides of the pen. What dimesnsions maximize the area of the pen?
The Mendes family bought a new house 10 years ago for $120,000. The house is now worth $191,000. Assuming a steady rate of growth, what was the yearly rate of appreciation? Round your answer to the nearest tenth of a percent (1.2% etc)
t an altitude of 8 miles and passes directly over a radar antenna. When the plane has a distance 10 miles from the radar, the radar detects that the distance in increasing at a rate of 300 miles/hour. What is the speed of the plane?
What step should one take to avoid lengthy computations of binomial probabilities? When is this option not available?
the wind in 3 hours and travel the same distance against the wind in 8 hours. What is the speed of the wind?
Approximately one-half of all glass bottles distributed will be recycled each yesr, A beverage company distributes 310,000 bottles. The number still in use after t years is given by the function N(t) = 310,000(1/2)^t
a six foot tall instructors shadow was 12 feet long. at the same time the water tower's shadow was 270 feet long. how tall is the water tower
The statistic most often used to describe company salaries is the median or the mean. For this company, does the mean give an accurate description of the salaries? Why or why not?
explain which of the three measures of central tendency mean median mode are appropriate to use for each of the two
Please solve for the following system of equations. Include all of the steps which are involved:
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