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Q: How do you use the 68 95 99.7 rule?
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What is the empirical rule for 1 and 2 standard deviations?

The empirical rule is 68 - 95 - 99.7. 68% is the area for +/- 1 standard deviation (SD) from the mean, 95% is the area for +/- 2 SD from the mean; and 99.7% is the area for +/- 3 SD from the mean.


Why does The 68-95-99.7 percent Rule only apply to normal distributions?

what else do you want it to apply to


What is 95 plus -68?

27


What is 95 to 68 as a percent?

Going from 95 to 68 is a 28.42% decrease.


The incubation time for Rhode Island Chicks is normally distributed with a mean of 21 days and standard deviation of 1 day Use the 68-95-99 7 rule and answer the questions below If a 1000 eggs are?

Your question was incomplete. Need to resubmit. The 68-95-99 probabilities correspond to 1, 2 and 3 standard deviations respectively. 68% of the time, chicks will hatch in 20 to 22 days, 95% of the time in 19 to 23 days, and 99% of the time in 18 to 24 days. Suggest you break the question into three parts.


What does 68 plus 95 equal?

163


What is the percent of decrease from 95 to 68?

28.42% decrease


What is the mixed number of 68 over 7?

68 over 7 as mixed number is 95/7


Is nearly all the area under the normal curve between z-3.00 and z3.00?

yes, since according to the 68-95-99.7 rule, the area within 3 standard deviations is 99.7%


How many times does 68 go into 95?

1 remainder 27.


What is sixty-eight times ninety-five?

68 x 95 = 6,460


What is the 68-95-99.7 rule?

The 68-95-99.7 rule, or empirical rule, says this:for a normal distribution almost all values lie within 3 standard deviations of the mean.this means that approximately 68% of the values lie within 1 standard deviation of the mean (or between the mean minus 1 times the standard deviation, and the mean plus 1 times the standard deviation). In statistical notation, this is represented as: μ ± σ.And approximately 95% of the values lie within 2 standard deviations of the mean (or between the mean minus 2 times the standard deviation, and the mean plus 2 times the standard deviation). The statistical notation for this is: μ ± 2σ.Almost all (actually, 99.7%) of the values lie within 3 standard deviations of the mean (or between the mean minus 3 times the standard deviation and the mean plus 3 times the standard deviation). Statisticians use the following notation to represent this: μ ± 3σ.(www.wikipedia.org)