The instructions for mixing cement call for 1 gallon of water to be used with 1 sack of cement. Will 2/7 of a partial sack (Sack A) require more or less water than 1/4 of a partial sack (Sack B)? In other words, which sack of cement is the largest, Sack A or Sack B?

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?

Sam is picking fruit from a basket that contains many different kinds of fruit. which set of events is independent?

Perry observes the opposite parallel walls of a room in how many lines do the plains containing the walls intersect