Mathematics, 08.01.2020 11:31 Nalolivares

For a normal distribution curve with a mean of 21 and a standard deviation of 5, which range of the variable defines an area under the curve corresponding to a probability of approximately 68%?
a. from 18.5 to 23.5
b. from 16 to 26
c. from 21 to 31
d. from 11 to 31

Answers: 2

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More questions: Mathematics Another questions

For a normal distribution curve with a mean of 21 and a standard deviation of 5, which range of the variable defines an area under the curve corresponding to a probability of approximately 68%? a. from 18.5 to 23.5 b. from 16 to 26 c. from 21 to 31 d. from 11 to 31

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Another question on Mathematics

For a normal distribution curve with a mean of 21 and a standard deviation of 5, which range of the variable defines an area under the curve corresponding to a probability of approximately 68%?
a. from 18.5 to 23.5
b. from 16 to 26
c. from 21 to 31
d. from 11 to 31