2009/3 Neco Exercise 10.2
2 tan a
Evaluate
given that a = 30°
1 - tan'a
13
A.
3
B. V3 C. 2
D. 2
E.3
111

The first-serve percentage of a tennis player in a match is normally distributed with a standard deviation of 4.3%. if a sample of 15 random matches of the player is taken, the mean first-serve percentage is found to be 26.4%. what is the margin of error of the sample mean? a. 0.086% b. 0.533% c. 1.11% d. 2.22%

Math it's appreciated. (picture provided)

The sides of a parallelogram are 24cm and 16cm. the distance between the 24cm sides is 8 cm. find the distance between the 16cm sides