Tuesday

March 31, 2015

March 31, 2015

Posted by **angela** on Thursday, November 7, 2013 at 9:03pm.

and a standard deviation given by 0=2.8in.

a) If 1 woman is randomly selected, find the probability that her height is less than 65in.

b) If 49 women are randomly selected, find the probability that they have a mean height less than 65 in.

- statistics -
**Reiny**, Thursday, November 7, 2013 at 9:43pmgreat webpage for your problem, just plug in the values that you have

http://davidmlane.com/hyperstat/z_table.html

- statistics -
**Kuai**, Thursday, November 7, 2013 at 10:42pma.

z = (65-64.6)/(2.8/sqrt(1))

z = 0.14

b.

z = (65-64.6)/(2.8/sqrt(49))

z = 1

**Answer this Question**

**Related Questions**

Statistics/Probability - Assume that women’s heights are normally distributed ...

Statistics - Assume the heights of women are normally distributed with a mean ...

STAT - Assume that women’s heights are normally distributed with a mean given by...

statistics - The distribution of heights of American women aged 18 to 24 is ...

Statistics - The distribution of heights of American women aged 18 to 24 is ...

statistics - A survey found that women's heights are normally distributed with ...

statistics - Assume that women's heights are normally distributed with a mean=63...

statistics - The heights of South African men are normally distributed with a ...

statistics - the distribution of heights of American women aged 18 to 24 is ...

stat - assume that the heights of men are normally distributed with a mean of 68...