In a class of 30 students,(x+10) study algebra.(10x+3) study statistics, 4 students study both algebra and statistics 2x study only algebra and 3 study neither algebra nor statistics. each students study at least one of the two subjects. (a)illustrate the information on a Venn diagram

Write the sentence as an equation. b increased by 281 is d

For how answer my question this will be the last question can you answer in math subject

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?