Jack is trying to determine how he can save money by cutting his electricity bill. he is currently on a standard use plan for electricity and pays 7.5 cents per kwh. he keeps track of when he uses electricity and is thinking about switching to an interval use plan for electricity which costs 3 cents per kwh for off-peak use and 15 cents per kwh for on-peak use. off-peak hours are from 8pm - 8am and on-peak hours are from 8am - 8pm will mark brainlest answer

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.