Tltjj duu-lub ju.
express 232 x 525 in standard form.
the points a, b, c, d, and e are located on a straight line in order. the distance
20cm: the distance from a to d is 15cm. the distance from b to e is 10cm.
between b and d. what is the distance from b to c?
a circular tray has radius 14m. find:
(i) its area
(ii) its circumference. (take n=22)
the mean score of a group of 20 students is 65. two other students whose score
were added to the group. what is the new mean of the group of students?
end of essay test

(co 3) the soup produced by a company has a salt level that is normally distributed with a mean of 5.4 grams and a standard deviation of 0.3 grams. the company takes readings of every 10th bar off the production line. the reading points are 5.8, 5.9, 4.9, 6.5, 5.0, 4.9, 6.2, 5.1, 5.7, 6.1. is the process in control or out of control and why? it is out of control as two of these data points are more than 2 standard deviations from the mean it is in control as the data points more than 2 standard deviations from the mean are far apart it is out of control as one of these data points is more than 3 standard deviations from the mean it is in control as the values jump above and below the mean