When Ryan runs the 400 meter dash, his finishing times are normally distributed with a mean of 65 seconds and a standard deviation of 2 seconds. If Ryan were to run
36 practice trials of the 400 meter dash, how many of those trials would be between
62 and 65 seconds, to the nearest whole number?

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Ответ:

starsinopoli13

06.03.2022

Mathematics

speed v= s/t = (460 / 5,75 )km/h

Step-by-step explanation: s= 460 km, t= 5h 45 min = 5,75 h

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When Ryan runs the 400 meter dash, his finishing times are normally distributed with a mean of 65 seconds and a standard deviation of 2 seconds. If Ryan were to run 36 practice trials of the 400 meter dash, how many of those trials would be between 62 and 65 seconds, to the nearest whole number?