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Viefleur [7K]
4 years ago
14

Professor Winer sent a mail questionnaire to 2,000 subjects. Winer told subjects that their responses would be anonymous. After

the first mailing, 400 completed surveys were returned. For a second follow-up mailing, Winer should mail
a. 2,000 questionnaires.
b. 1,000 questionnaires.
c. 400 questionnaires.
d. 1,600 questionnaires.
e. 50 questionnaires.
Social Studies
1 answer:
anastassius [24]4 years ago
8 0

Answer:

a. 2,000 questionnaires.

Explanation:

Winer should mail 2,000 questionnaires because according to the first mailing he got 400 completed surveys so it would be wise of him to repeat the mailing of 2,000 questionnaires because there is a probability that the completed surveys will be up to or above 1,600 to complete the initial aim of 2,000 completed surveys.

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