The following data were collected by counting the number of operating rooms in use at Tampa General Hospital over a 20-day period: On four of the days only one operating room was used, on eight of the days two were used, on three of the days three were used, and on five days all four of the hospital's operating rooms were used. (a) Use the relative frequency approach to construct an empirical discrete probability distribution for the number of operating rooms in use on any given day. x f(x) 1 2 3 4

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What expression is equivalent to (2x-1)(x-3)?

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.