The Probability That a Call to an Emergency Help Line

question 61

Multiple Choice

The probability that a call to an emergency help line is answered in less than 10 seconds is 0.8.Assume that the calls are independent of each other.Using the normal approximation for binomial with a correction for continuity, the probability that at least 75 of 100 calls are answered within 10 seconds is approximately _______

• A)0.8
• B)0.1313
• C)0.5235
• D)0.9154
• E)0.8687

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Definitions:

Herbal Preparation

A process or product involving herbs used for their flavor, scent, medicinal, or therapeutic properties.

Manual Therapies

Therapeutic techniques that involve physical manipulation of muscle tissue and bones by a practitioner.

Massage

Healing done through touch to stimulate the production of certain chemicals in the immune system that promote healing.