Determine whether the study described is a randomized experiment or an observational study. A nutritionist has developed a new healthier meatloaf recipe. The nutritionist selects a sample of people to try either the new or traditional meatloaf. The people choose which meatloaf to eat. The nutritionist polls the people individually about their opinion of the meatloaf.

a. Randomized experiment
b. Observational study

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

step-by-step explanation:

20 ≤ x + 15 ≤ 55

subtract 15 from all parts

20-15 ≤ x + 15-15 ≤ 55-15

5 ≤ x ≤ 40

this means how many more cookies he has to make

walter needs to make at least 5 more cookies, but no more than 40 cookies; 5 ≤ x ≤ 40

step-by-step explanation:

most likely the answer is a.

alice wins if a total of 5 is rolled. finn wins if a total of 9 is rolled.

sites:

9x