There is an online personality test. For each question, you can put a score from 1 to 6. (Where, for example, 1 is "never" and 6 is "always".) There are 10 questions. Jane answered like this: a) 6 b) 6 c) 6 d) 3 e) 2 f) 2 g) 1 h) 1 I) 3 j) 1 Her total score (from 1 to 6) was 4.9 How does the machine calculate the result of 4.9, based on her answers?

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?

The fraction 7/9 is equivalent to a percent that is greater than 100%. truefalse

2. explain in words how you plot the point (4, −2) in a rectangular coordinate system.