The amount of soft drink in a bottle is a normally distributed random variable. Suppose that in 7.08% of the bottles containing this soft drink there is less than 15.5 ounces, and in 10.03% of them there are more than 16.3 ounces.
(a) Based on this information, find the mean m and the standard deviation s of the amount of soft drink in a randomly selected bottle.
(b) Find the probability that at least 8 of the next 10 soft drink bottles drawn at
random contain more than 16 ounces.
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