Please help me with this Part A:
A jar contains 1000 marbles. Omar is entering a contest to guess the number of any one color of marbles in the jar. He is allowed to take four random samples of 200 marbles, and his results are shown in the table.

Which statements are true?
Choose all that apply

Part B:
Omar uses the information in the table and the following steps to estimate the number of blue marbles in the jar.

Is Omar’s estimate reasonable? Explain.

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.