Uzair has a bag of 20 fruit flavour sweets. 7 of the sweets are strawberry flavour, 11 are lime flavour, 2 are lemon flavour. Uzair takes at random a sweet from the bag. Write down the probability that Uzair

a) takes a strawberry flavour sweet

b) takes a lemon flavour sweet

c) takes a lime flavour sweet

d) takes an orange flavour sweet​