Hw7_skeleton

8.2

• 1. .44
• 2. sample proportion, x/n
• 3. false
• 4. true
• 5. normal
• 6. standrad deviation will decrease, if n increases by factor of 4, standrad deviation will decrease by a factor of 2
• 7. normal with a mean of .4 and standard deviation .022
• 8. normal, mean of .7, standrad deviation of .026
• 1. normal with a mean of .35 and a standrad deviation of .013

  2. .0040

  3. 0.233

• 1. normal, mean of .42, standrad deviation of .013

  2. .0102

  3. .0606

• 1. normal with a standrad deviation of .013 and mean of .42

  2. .3228

  3. .3198

  4. .0838