1. For the binomial expansion of (x + y)", the value of k in the term 210xy* is a. 4 b. C. 2. What is the value of the constant term in the expansion of ( 4 + 1 )"? 4 b. 16 C. 64 d. 256 3. In the expansion of (x] -1)'(1 + x)", the term containing x is a. 8x b. -8x C. 5x -5x 4. If Z has the distribution /(0,1), then P(Z > 1.23) = a. 0.8907 b. 0.1093 C. 0.2266 d. 0.7518 5. A package contains ten yellow, six green, eight purple and nine red candies jumbled together. What is the expected number of red candies among five candies poured from the package? a. 1 b. W N C. d. MDM4U - Berardi Name: 6. A (blindfolded) marksman finds that on the average he hits the target 44 times out of 55. If he fires 44 shots, what is the probability of more than 2 hits? a. 0.9812 b. 0.8192 C. 0.1914 d. 0.2013 7. A WNBA basketball player scores 87% of her free throws. What is the (approximate) expected number of throws before she misses the basket on a free throw? a. 3 b