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Mathematics, 29.05.2020 07:59 jose4197
Amy swims the 50-m backstroke. When in competition, her mean time is 39.7 seconds. And the standard deviation is 2.3 seconds. If she needs to swim faster than 37 seconds to earn a medal, what is the probability that she earns a medal? (Hint - use your normal distribution chart)
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Amy swims the 50-m backstroke. When in competition, her mean time is 39.7 seconds. And the standard...
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