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Jessica wants to conduct a study on the popularity of books compared to movies among teenagers. She randomly selected 20 teenagers and found that 45% of those surveyed preferred reading books to watching movies. Assuming a 90% confidence level, which of the following statements holds true

Respuesta :

Answer:

As the sample size is too small, the margin of error cannot be trusted.

Step-by-step explanation:

Answer:

As the sample size is too small, the margin of error cannot be trusted.

Step-by-step explanation:

As np is less then 10 , it can be concluded that the sample size is not large enough; therefore, a normal distribution cannot be used to calculate the margin of error.

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