Mathematics, 23.01.2020 07:31 midsky
Jim wants to conduct a survey of u. s. teens aged 13 - 15 to find out what songs are their favorites. to do this, he does a random survey of 300 teens aged 12 - 15.
which of the following correctly describes his sample?
this method of sampling is neither biased nor unbiased.
this method of sampling is unbiased.
this method of sampling can be considered both biased and unbiased.
this method of sampling is biased.
Answers: 2
Mathematics, 21.06.2019 13:10
Aresearch company wants to test the claim that a new multivitamin to improve short term memory. state the objective of the experiment, suggest a population, determine the experimental and control groups, and describe a sample procedure.
Answers: 2
Mathematics, 21.06.2019 15:30
What is the probability of drawing three queens from a standard deck of cards, given that the first card drawn was a queen? assume that the cards are not replaced.
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Mathematics, 21.06.2019 19:00
Samantha is growing a garden in her back yard. she spend $90 setting up the garden bed and buying the proper garden supplies. in addition, each seed she plants cost $0.25. a. write the function f(x) that represents samantha's total cost on her garden. b. explain what x represents. c. explain what f(x) represents. d. if samantha plants 55 seeds, how much did she spend in total?
Answers: 2
Mathematics, 21.06.2019 19:30
Solve the following inequalities and show the solution on a number line. 3/4 (2x-7) ≤ 5
Answers: 1
Jim wants to conduct a survey of u. s. teens aged 13 - 15 to find out what songs are their favorites...
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