Mathematics, 10.03.2020 08:27 bearbri5851
In the United States the ages 13 to 55+ of smartphone users approximately follow a normal distribution with approximate mean and standard deviation of 36.9 years and 13.9 years, respectively. What is the probability that a randomly selected smartphone user in the age range 13 to 55+ is at most 50.8 years old?
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In the United States the ages 13 to 55+ of smartphone users approximately follow a normal distributi...
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