Hw7_skeleton

8.2

• 1. 0.44.
• 2. Sample proportion, P(hat)=x/n.
• 3. False.
• 4. False.
• 5. P(1-P) is less than or equal to 10, P is less than or equal to 0.05(N).
• 6. Decreasing because part ofo the equation (n) is being divided by a larger number making the value smaller, decreased by sqrt of n+4.
• 7. 0.022.
• 8. 0.026.
• 1. 0.015.

  2. 39% or more.

  3. 32% or less.

• 1. 0.013.

  2. 45% or more.

  3. 40% or less.

• 1. 0.022.

  2. 32/100 random samples.

  3. 32/100 random samples.

  4. No, it will not be unusual because 42% or more will say marriage is obsolete.