Me i cant the possibility of drawing a black marble from the bag is 1/2, and the probabilitity of drawing a white marble from the same bag is 1/4 what is the probability of drawing a white marble, replacing it, then drawing a black one? a) 1/8 b) 1/3 c) 3/4

One line passes through (-7,-4) and (5,4) . another line passes through the point (-4,6) and (6,-9)

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?

According to the 2008 u. s. census, california had a population of approximately 4 × 10^7 people and florida had a population of approximately 2 × 10^7 people. which of the following is true? a. the population of florida was approximately two times the population of california. b. the population of florida was approximately twenty times the population of california. c. the population of california was approximately twenty times the population of florida. d. the population of california was approximately two times the population of florida.