Which option is an example of a survey?
a. having customers fill out a questionnaire about their favorite
brand of toothpaste
o
b. finding the number of red jellybeans placed in an average jar of
jellybeans by counting
o
c. placing different groups of people in different colored rooms and
recording their mood
o
d. dividing a class into thirds, giving each third a different amount of
time to read, and then testing comprehension

Having customers fill out a questionnaire about their favorite brand of toothpaste.

the total estimated nappy use.=10,500,000

step-by-step explanation:

given that on an average the average baby uses 3528 napkins.

in a particular year 2014, the number of births were 299697 in new south wales.

rounding off the number of births to the nearest hundred thousand we have

no of birtsh = 300000

also rounding off the average usage to nearst thousand we get

average use of a baby = 3500

hence total number of nappy estimated to be used = 3500x300000

= 10,500,000

answer is 10,500,000 nappies

d 600 because 15*10*2=300

300+300=600

step-by-step explanation: