Battery Lifetime Narrative The Lifetime of a Particular Type of Battery Is Normally

question 180

Essay

Battery Lifetime Narrative
The lifetime of a particular type of battery is normally distributed with a mean of 1100 days and a standard deviation of 80 days. The manufacturer randomly selects 400 batteries of this type and ships them to a tire retailer.
-Refer to Battery Lifetime Narrative. What is the probability the average lifetime of these 400 batteries is between 1097 and 1104 days?

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Definitions:

Restriction Enzymes

Proteins used by bacteria to cut DNA at specific sites, widely used in molecular biology for gene cloning.

Bacteria

Single-celled microorganisms that can exist either as independent organisms or as parasites, with some capable of causing diseases.

Viral DNA

The genetic material of a virus encoded in DNA rather than RNA, which the virus inserts into host cells to replicate and produce new viral particles.

Recombinant DNA

Composite DNA made in a laboratory by joining DNA fragments from multiple sources.