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vagabundo [1.1K]
3 years ago
14

A market research firm conducts telephone surveys with a 44% historical response rate. what is the probability that in a new sam

ple of 400 telephone numbers, at least 150 individuals will cooperate and respond to the questions? in other words, what is the probability that the sample proportion will be at least 150/400 = .375? calculate the probability to 4 decimals.
Mathematics
1 answer:
Gala2k [10]3 years ago
8 0

<span>
EXAMPLE: A common source of frame error is the use of a telephone directory as a sampling frame for a telephone survey. Many houses are not liste</span>
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