Astreet magician asks a passerby to draw one card from a standard deck, remember it, and then replace it. the magician then shuffles the deck and asks the person to draw a second card. find the probability that at least one of the two cards was a heart. 7/16 9/16 1/4 3/4

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.