Answer question 1 through 2 and show how you got your answer.

(1) a farm has 15 rows of fruit trees with 7 trees in each row. the last 4 rows of trees are cherry trees. the remaining trees are orange trees. how many orange trees are on the farm?

(2) at the bakery, there are 5 rows with 12 chocolate chip cookies on each tray. there are 2 trays with 14 cookies on each tray. if 7 cookies are sold. how many cookies are left?

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?

Identify the type of observational study described. a statistical analyst obtains data about ankle injuries by examining a hospital's records from the past 3 years. cross-sectional retrospective prospective

Gabriel determined that his total cost would be represented by 2.5x + 2y – 2. his sister states that the expression should be x + x + 0.5x + y + y – 2. who is correct? explain.