(Answered) A brisk walk at 4 miles per hour burns an average of 320

Statistics

A brisk walk at 4 miles per hour burns an average of 320 calories per hour. If the standard deviation of the distribution is 7 calories, find the probability that a person who walks 1 hour at the rate of 4 miles per hour will burn the given number of calories. Assume the random variable is normally distributed

More than 309 calories

The probability that a randomly selected person burns more than 309 calories is _%

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