Question

if 348 prospective college students are tested for their iq (assume normal distribution) approximately how many students' iq scores will be within either two standard deviations away from the mean (i.e 2 and -2)

Answer 1

330 approximately.

Explanation:

The percentage lying between 2 standard deviations is 95%.

So we have 348 * 0.95 = 330 approximately.