Suppose a 250-brick set of Braille Bricks includes 50 pieces of each of five colors: red, yellow, green, blue and orange. If Kevin chooses one piece of lego at random, what is the probability that he chooses a red or a yellow piece? Write your answer in simplest fraction form.

Reflect the point (7,0) across the y-axis

The table represents a function. what is f(-2)? a.-3 b. -1 c.1 d.3

(b) suppose that consolidated power decides to use a level of significance of α = .05, and suppose a random sample of 100 temperature readings is obtained. if the sample mean of the 100 temperature readings is x⎯⎯ = 60.990, test h0 versus ha and determine whether the power plant should be shut down and the cooling system repaired. perform the hypothesis test by using a critical value and a p-value. assume σ = 5. (round your z to 2 decimal places and p-value to 4 decimal places.)