Which statement is true about the graph? • A late arrival who is 21 years old with a back-stage pass
will make the mean greater than the median.
The two holders of back-stage passes whose ages are
above 40 make the mean age higher than the median age.
The ages of concert-goers with backstage passes are
skewed left, so the mean age is less than the median age.
A concert-goer who is 18 years old and wins a back-
stage pass will pull the mean more than 2 years less than
the median.

Which of the fallowing best completes the sequence 12,8,5, a) 1 b) 2 c)4 d)0

The number of potato chips in a bag is normally distributed with a mean of 71 and a standard deviation of 2. approximately what percent of bags contain between 69 and 73 potato chips? approximately 68% approximately 71% approximately 95% approximately 99.7%

You were told that the amount of time lapsed between consecutive trades on the new york stock exchange followed a normal distribution with a mean of 15 seconds. you were also told that the probability that the time lapsed between two consecutive trades to fall between 16 to 17 seconds was 13%. the probability that the time lapsed between two consecutive trades would fall below 13 seconds was 7%. what is the probability that the time lapsed between two consecutive trades will be between 14 and 15 seconds?