Hw7_skeleton

8.2

• 1. type answer here. 0.44
• 2. type answer here. sample proportion; x/n
• 3. type answer here. False
• 4. type answer here. True
• 5. type answer here. Normal. Given that n ≤ .05N and np(1 − p) ≥ 10
• 6. type answer here. Standard Deviation of pˆ decrease as sample size increases. If n increases by a factor of 4, the standard deviation will decrease by a factor of 2.
• 7. type answer here. Normal. mean = .4 and standard deviation = .022
• 8. type answer here. Normal. mean = .7 and standard deviation = .026
• 1. type answers here. Normal with a mean of .35 and standard deviation of .015.
  2. type answers here. .0040
  3. type answers here. .0233
• 1. type answers here. Normal with a mean of .42 and standard deviation of .013.
  2. type answers here. .0102
  3. type answers here. .0606
• 1. type answers here. Normal, with a mean of .39 and standard deviation of .022.
  2. type answers here. .3228
  3. type answers here. .3198
  4. type answers here. .0838