hey all can anyone help me with these problems?

1)a die is tossed 150 times, the rolling of a 6 is counted as a success:

a) find the mean and standard deviation of this binominal experiment and

b) what is the probability of throwing between 30 and 35 sixes?

2) the mean weight of a group of 200 people is 74kg. the standard deviation is 9kg. what is the probability that a person selected at random weighs:

a)between 90 and 100kg?

b)between 70 and 100kg?

c)is over 101kg?

d)weighs less than 65kgs?

e)how many in the group would weigh less than 65kgs?

any help will be appreciated.....thanks