Normal curve approximation
A pair of dice is rolled 270 times. Using the normal curve approximation, what is the probability that a total of 7 occur:
(show all calculations)
A. at least 52 times?
B. Between 41 and 63 times inclusive?
C. Exactly 36 times?
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If the motorcycle travels over the crest at half speed found in Part A, find the ratio between the apparent weight of the motorcycle and its rider and their true weight.
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Runner A is initially 5.7 km west of a flagpole and is running with a constant velocity of 8.3 km/h due east. Runner B is initially 4.9 km east of the flagpole and is running with a constant velocity of 7.5 km/h due west. How far are the runners f
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