Question 6 (2 points)

A coin is tossed eight times. what is the probability that exactly 5 heads will occur?(Hint: Use Binomial Probabilities

Question 7 (2 points)

You have a bag of marbles. There are 3 red marbles, 2 green marbles, 7 yellow marbles, and 3 blue marbles. What is the probability of drawing a yellow or red marble?

Question 8 (2 points)

You throw 2 dice. What is the probability that the sum of the two dice will be 5?

Question 9 (1 point)

Select all that apply. Which of the following pairs are independent events?

Question 9 options:

	a student's midterm and final grades in a class
	draw an ace, put it back, then draw an ace again
	two coin flips
	draw an ace, leave it out, then draw an ace again

Question 10 (1 point)

The paper says there is an 80% chance of rain today, so you plan indoor activities. Then it doesn't rain. Was the forecast wrong?

Question 10 options:

	True
	False

Question 11 (3 points)

Find the mean, variance, and standard deviation for the number of sixes that appear when rolling 40 dice.

Question 11 options:

Question 12 (8 points)

Calculate Mean, Median, Mode, Standard Deviation, Variance for the data below;

50, 43, 45, 41, 51

Question 12 options: