Please show work if at all possible for this study guide I am building. thanks!

A Gallup Poll showed that 35% of Americans are satised with the wail;r things are going in the United States. Suppose a sample of El] rnericans is selected as part of a studyr of the state of the nation. (a) Compute the probabilityr that at least three of the Americans are satised with the wasr things are going in the United States. A- CLIJEES E. [1.43444 C. 43.9556 D. [1.93739 E. None of the above. My answer is: (b) Compute and interpret the expected value. (c) Compute the probability that at most three of the mericans are satised 1:vith the wail;r things are going in the United States- A- 323 E. {1.43444 C. 13.3545 D. [13665 E. None of the above. My answer is