What happens when the sample size of a newspaper poll is decreased?

a. the bias increases
b. the variability decreases
c. the variability increases
d. the bias decreases
e. none of the above

C. The variability increases

Step-by-step explanation:

The larger the sample, the less variability there is.

The smaller the sample, the more variability there is.

Bias has to do with how randomly the sample is selected.  Assuming that method doesn't change, the bias doesn't change.

walter needs to make at least 5 more cookies but no more than 40. 5 ≥ x ≥ 40;

step-by-step explanation:

walter has to make a minimum of 20 cookies. he already has 15 cookies made, so he must make 5 more to meet the minimum.

the maximum amount of cookies he can make is 55. he already has 15, so he has to make no more than 40 more cookies to meet the maximum.