(5 points) in the united states, 82% of the population claim english as their mother tongue. choose a person from the united states at random and a person from canada at random, independently of each other. what is the probability that both have english as their mother tongue?

The trigonometric ratios sine and secant are reciprocals of each other

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Need now 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.