Mathematics, 23.10.2021 14:00 queenkendra16
The refusal rate for telephone polls is known to be approximately 20%. A newspaper report indicates that 50 people were interviewed before the first refusal. (a) Comment on the validity of the report. Use a probability in your argument. (b) What is the expected number of people interviewed before a refusal
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The refusal rate for telephone polls is known to be approximately 20%. A newspaper report indicates...
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