3 of 12
Work out
92.6% of 103.93km
Give your answer rounded to 2 DP.
km

The mean of a set of data is -3.82 and its standard deviation is 2.31. find the z score for a value of 3.99.

Aregular pan has a length that is 4/3 the width. the total area of the pan is 432in.2. what is the width of the cake pan?

There are three bags: a (contains 2 white and 4 red balls), b (8 white, 4 red) and c (1 white 3 red). you select one ball at random from each bag, observe that exactly two are white, but forget which ball came from which bag. what is the probability that you selected a white ball from bag a?