We roll the loaded die four times. Find the probability that... ...all the rolls are 2: 0.0001 Correct: Your answer is correct. ...none of the rolls are 2: 0.6561 Correct: Your answer is correct. ...exactly one of the rolls is a 2: 0.2961 Correct: Your answer is correct. ...at least one of the rolls is a 2: 0.3439 Correct: Your answer is correct. ...either the first roll or the last roll is a

Which mathematical statements are true? 1) if 3 is an odd number, then 3 times 3 is an even number. 2) if 6 is less than 7, then 4 is greater than 7. 3) six is divisible by 3, and 10 is a multiple of 2. 4) the average of the data is greater than the largest value in the data, or it’s less than the largest value in the data. 5) the slope of a linear graph is its rate of change, and the graph’s y-intercept is the initial value. 6) if an equilateral triangle has equal angles, then all its angles will measure 45°.

Due to financial difficulties the owner of 4 skateboard stores is going to close 2 of his stores. based on the money earned at each store, which two stores should remain open?

The sum of the speeds of two trains is 720.2 mph. if the speed of the first train is 7.8 mph faster than the second train, find the speeds of each.