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Suppose the amounts of M&M's a machine dispenses into packages has a normal distribution with a mean of 25 M&M's and a standard deviation of 1 M&M. What is the probability that there are more than 26 M&M's?

Suppose the amounts of MampMs a machine dispenses into packages has a normal distribution with a mean of 25 MampMs and a standard deviation of 1 MampM What is t class=

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MathPhys

Answer:

16%

Step-by-step explanation:

The mean is 25, and the standard deviation is 1.

26 is 1 standard deviation above the mean.

According to the empirical rule, 68% of the population is between -1 and +1 standard deviations.  That means that 32% is less than -1 or greater than +1 standard deviations.  So half of that, or 16%, is greater than +1 standard deviations.

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