assume that men's weights are normally distributed with a mean of 172 lb and standard deviation of 29 lb (national health survey)

if 81 men are randomly selected, find the probability that they have a mean weight less than 167 lb

Identify the converse of the following conditional: if a point is in the first quadrant, then its coordinates are positive. if the coordinates of a point are not positive, then the point is not in the first quadrant. if the coordinates of a point are positive, then the point is in the first quadrant. if a point is in the first quadrant, then its coordinates are positive. if a point is not in the first quadrant, then the coordinates of the point are not positive.

If you flip a coin 3 times, what is the probability of flipping heads 3 times? a. p(3 heads) = 3/8 b. p(3 heads) = 1/6 c. p(3 heads) = 1/8 d. p(3 heads) = 1/2

The dash figure is a dilation if the original figure. find the scale factor. classify the dilation as an enlargement or a reduction