. DENTAL HYGIENE You are packing your suitcase to go away to a 14-day
summer camp. The store carries three
sizes of tubes of toothpaste.
Tube
A
Size
Ounces)
0.75
0.9
3.0
Size
(grams
21.26
25.52
85.04
B
С
Source: National Academy of Sciences
a. The function n = 21.26 – 0.86
represents the number of remaining
brushings n using b grams per
brushing using Tube A. Find the zero
of this function. Describe what this
value means in this context.
b. The function n = 25.52 – 0.86
represents the number of remaining
brushings n using b grams per
brushing using Tube B. Find the zero
of this function. Describe what this
value means in this context.
c. Write a function to represent the
number of remaining brushings
ni using b grams per brushing using
Tube C. Find the zero of this function.
Describe what this value means in
this context.

Apoll is being conducted at a mall nothingto obtain a sample of the population of an entire country. what is the frame for this type of​ sampling? who would be excluded from the survey and how might this affect the results of the​ survey? what is the frame for this type of​ sampling? a. the frame is people who need new clothes. b. the frame is people who shop at the mall. c. the frame is people who like to shop. d. the frame is the entire population of the country. who would be excluded from the survey and how might this affect the results of the​ survey? a. any person that does not need new clothes is excluded. this could result in sampling bias due to undercoverage. b. any person who does not shop at the mall is excluded. this could result in sampling bias due to undercoverage. c. any person who does not shop at the mall is excluded. this could result in nonresponse bias due to people not participating in the poll. d. there is nobody that is being excluded from the survey.