Find the probability that a randomly selected year of rain in Sydney Australia is at most 33.5 mm
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'The mean yearly rainfall in Sydney, Australia, is about 137 mm and the standard deviation is about 69 mm ("Annual maximums of," 2013). Assume rainfall is normally distributed: b. Find the probability that the yearly rainfall is less than 100 mm Be sure to give PC ); the TI command, the answer ; and draw the normal curve on your paper:'
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The mean yearly rainfall in Sydney, Australia, is 136.9 mm and the standard deviation is 69.4 mm. Assume rainfall is normally distributed. (a) What is the random variable? (b) Find the probability that the yearly rainfall is less than 100 mm. (c) Find the probability that the yearly rainfall is more than 240 mm. (d) Find the probability that the yearly rainfall is between 140 and 250 mm. (e) If a year has a rainfall less than 100 mm, does that mean it is an unusually dry year? Why or why not? (f) What rainfall amount are 90% of all yearly rainfalls more than?
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The annual rainfall (in cm) in a certain region is normally distributed with μ = 27.2 and σ = 5. What is the probability that the annual rainfall in a certain year will exceed 33.2 cm?
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