The weight of an organ in adult males has a bell-shaped distribution with a mean of 310 grams and a standard deviation of 50 grams. Use the empirical rule to determine the following
(a) About 99.7% of organs will be between what weights?
(b) What percentage of organs weighs between 210 grams and 410 grams?
(c) What percentage of organs weighs less than 210 grams or more than 410 grams?
(d) What percentage of organs weighs between 160 grams and 360 grams?

Arectangle with an area of 47 m² is dilated by a factor of 7. what is the area of the dilated rectangle? enter your answer in the box. do not leave your answer as a fraction.

What is the slope of the equation y =

Need now max recorded the heights of 500 male humans. he found that the heights were normally distributed around a mean of 177 centimeters. which statements about max’s data must be true? a) the median of max’s data is 250 b) more than half of the data points max recorded were 177 centimeters. c) a data point chosen at random is as likely to be above the mean as it is to be below the mean. d) every height within three standard deviations of the mean is equally likely to be chosen if a data point is selected at random.