Part 1,For this binomial distribution, what is the variance for the number of successes when sample size is 76 with a probability of 0.46?

Part 2, In a roulette game of 36 numbers, how many ways can you pick 4 numbers if order is not important?

Part3What is the Normal Distribution Probability where X is less than 80.6 for a mean of 61, and standard deviation of 10.37