Saturday

February 28, 2015

February 28, 2015

Posted by **Chrissy** on Saturday, December 29, 2012 at 7:27pm.

A.52.16-67.84

B.50-60

C.48-72

D.40-80

I think A am I correct?

- Math -
**Steve**, Saturday, December 29, 2012 at 11:30pmwe know that 95.45% occur within 2 std of the mean. That would be 52-68.

We want just slightly more than that, so I'd take (A), except that (A) selects slightly less than 2 std. Hmmm?

**Answer this Question**

**Related Questions**

statistics - The lifetime of a 2-volt non-rechargeable battery in constant use ...

Statistics - The lifetime of a 2-volt non-rechargeable battery in contant use ...

Statistics - The lifetime of a 2-volt non-rechargeable battery in contant use ...

Math (Statistic) - Considered the sampling distribution of a sample mean ...

stats - A sample of 12 observations is selected from a normal population for ...

math - Suppose x is a random variable with mean and standard deviation. If a ...

statistics - a population has mean 15 and standard deviation 5. if 68% of the ...

Statistics - Suppose that the percentage returns for a given year for all stocks...

statistics - Suppose that the percentage returns for a given year for all stocks...

statistics - what are the mean and standard deviation of a sampling distribution...