A Certain Company Makes 12-Volt Car Batteries

question 19

Multiple Choice

A certain company makes 12-volt car batteries. After many years of product testing, the company knows that the average life of a battery is normally distributed, with a mean of 44 months and a standard deviation of 7 months. If the company does not want to make refunds for more than 10% of its batteries under the full-refund guarantee policy, for how long should the company guarantee the batteries (to the nearest month) ?

• A)30 months
• B)52 months
• C)35 months
• D)57 months

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Definitions:

Neonatal Sepsis

A life-threatening condition where a newborn's body responds to an infection with widespread inflammation, potentially leading to significant health complications or death.

Hypothermia

A medical emergency that occurs when the body loses heat faster than it can produce, causing a dangerously low body temperature.

Hyperthermia

An abnormally high body temperature, often resulting from extended exposure to hot conditions or inability of the body to cool down, potentially dangerous if not treated.

Anemia

A condition in which the blood doesn't have enough healthy red blood cells to carry adequate oxygen to the body's tissues.