Probability and Statistics Quiz No. 1

Calculate P(pair) when 2 dice are rolled.

How many different arrangements are there of sitting 6 people in a circle?

A jar contains 5 red marbles, 4 pink marbles and 3 blue marbles. Calculate Prob (not pink)?

In a binomial distribution where n = 20 and p = ¼ , what is the variance ?

Calculate 5! × C(8,3)

How many ways can 4 people sit in a row of chairs

If I roll a dice 60 times, how many times would I expect to get a number less than 4?

If I roll a dice then toss a coin, how many possible outcomes are in the sample space?

If scores are normally distributed, mean 60 and SDev 10, find the z score if you get 45?

If 2 coins are flipped calculate P(at least 1 TAILS)?

If you roll a 32 sided die what is the probability that you will roll a number greater than 19?