Mathematics, 17.11.2019 21:31 gdufdgjki
Anewspaper writer will write an article about the mean age of voters. she will estimate by selecting a sample of voters and calculating their mean age.
which method should the writer use to select the sample?
a) select 100 people who voted in the last election and are more than 30 years old
b) randomly select 100 people who voted in the last election
c) select 100 people who voted for the most popular candidate in the last election.
d) randomly select 100 people who read the newspaper
Answers: 2
Mathematics, 21.06.2019 14:30
Isee the amount was $90.00 then reduced to $75.00 , what is the percent ?
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Mathematics, 21.06.2019 18:00
Janie has $3. she earns $1.20 for each chore she does and can do fractions of chores. she wants to earn enough money to buy a cd for $13.50. write an inequality to determine the number of chores, c, janie could do to have enough money to buy the cd.
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Mathematics, 21.06.2019 23:00
Siri can type 90 words in 40 minutes about how many words would you expect her to type in 10 minutes at this rate
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Anewspaper writer will write an article about the mean age of voters. she will estimate by selecting...
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