The expected value of a fair 6-sided die is 3.5. Which of the following statements are true?
Choose all answers that apply:
А
If you rolled a fair 6-sided die a large number of times, you should expect the average of the
numbers rolled to be about 3.5.
B
A fair 6-sided die is more likely to land on the number 4 than the number 6.
3.5 is one of the possible outcomes of rolling a fair 6-sided die.

The probability that a college student belongs to a health club is 0.3. the probability that a college student lives off-campus is 0.4. the probability that a college student belongs to a health club and lives off-campus is 0.12. find the probability that a college student belongs to a health club or lives off-campus. tip: p(a or b) = p(a) + p(b) - p(a and b) 0.54 0.58 0.70 0.82

Can someone check if i did this correct. it’s number 4 if you’re wondering.

Me 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.