Orange tabbies#

Suppose that 90% of orange tabby cats are male. Determine if the following statements are true or false.

Part 1#

The distribution of sample proportions of random samples of size is left skewed.

Answer Section#

  • True

  • False

Part 2#

Using a sample size that is 64 times as large will cause the standard error to be how many multiples of itself large?

Answer Section#

Please enter in a numeric value.

pl-answer-panel#

We take the square root of the sample size in the \(SE\) formula.

Part 3#

The distribution of sample proportions of random samples of size is approximately normal.

Answer Section#

  • True

  • False

pl-answer-panel#

Check whether the independence and success-failure conditions are being met. Take also into account the Central Limit Theorem (CLT).

Part 4#

The distribution of sample proportions of random samples of size is approximately normal.

Answer Section#

  • True

  • False

pl-answer-panel#

Check whether the independence and success-failure conditions are being met. Take also into account the Central Limit Theorem (CLT).

Attribution#

Problem is from the OpenIntro Statistics textbook, licensed under the CC-BY 4.0 license.
Image representing the Creative Commons 4.0 BY license.