37 packages are randomly selected from packages received by a parcel service. the sample has a mean weight of 10.3 pounds and a standard deviation of 2.4 pounds. what is the 95% confidence interval for the true mean weight, µ, of all packages received by the parcel service?

Ten times the square of a non-zero number is eqaul to ninety times the number

Someone answer asap for ! 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.

240 seventh graders and two-thirds of the students participate in after-school activities how many students participate in after-school activities