An urn contains 2 red, 3 white, and 4 black balls. One ball is drawn from the urn, it is not replaced, and a second ball is drawn. (Enter your probabilities as fractions.) (a) What is the probability that both balls are white?

(b) What is the probability that one ball is white and one is red?

(c) What is the probability that at least one ball is black?

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.

How can (square root of 25) ^2 be rewritten?

How many heads would you expect if you flipped a coin twice? first, fill in the table below with the correct probabilities. hint: the sample space for flipping a coin twice is {hh, ht, th, tt}. a = b = c = f