This box plot shows information about the marks scored in a test. 70
90
100
80
60
40
50
20
10
30
0
Points scored
a) What was the median number of marks scored?
b) What was the interquartile range of the marks?
c) What was the range of the marks?

will mark brainliest , plz answer a. s.a. p

What are the critical values that correspond to a 95% confidence level and a sample size of 93? a. 65.647, 118.136 b. 59.196, 128.299 c. 57.143, 106.629 d. 69.196, 113.145

Find the number of real number solutions for the equation. x2 + 5x + 7 = 0 0 cannot be determined 1 2

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?