Uneb uace applied maths paper two 2017

Uneb uace applied maths paper two 2017

Answer all the questions in this section
1. A particle is projected from a point O with speed 20m/s at an angle of 600 to the horizontal. Express in vector
form its velocityvand its displacement r, from Oat any time tseconds.
2. The probability that a patient suffering from a certain disease recovers is 0.4. If 15 people contracted the diseases,
find the probability that: