Years of data tells us that 20% of houses have a 2 car garage. In a sample of size 41, what is the probability that more than 11% of houses have a 2 car garage?

• 0.925
• 0.075
• 0.967
• 0.033
• None of the above

Beyond representative sampling, what assumptions are needed to satisfy the requirements for this problem?

• XXbinomial, np5np5 and nq5nq5
• XXnormal or n30n30
• XXbinomial and at least 5 successes and failures
• XXnormal and n30