One consequence of the popularity of the internet is that it is thought to reduce television watching. suppose that a random sample of 55 individuals who consider themselves to be avid internet users results in a mean time of 1.88 hours watching television on a weekday. determine the likelihood of obtaining a sample mean of 1.88 hours or less from a population whose mean is presumed to be 2.25 hours.

Combine like terms to make a simpler expression 3z+z

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.

If two angles of a triangle have equal measures and the third angle measures 90°, what are the angle measures of the triangle? a. 60°, 60°, 60° b. 45°, 90°, 90° c. 30°, 30°, 90° d. 45°, 45°, 90°