Scores of the SAT math test in recent years approximately follow the N(525, 114) distribution.

The proportion of students scoring at least 600 is closest to

0.742

0.258

0.657

0.317

The duration (in days) of human pregnancies follows approximately the N(260,12) distribution. How many days would a human pregnancy need to last to be among the top 10% of all durations?

The duration (in days) of human pregnancies follows approximately the N(260,12) distribution. What proportion of pregnancy durations are more than 265 days?

	0.426
	0.337
	0.287
	0.663