A Study of Peach Trees Found That the Average Number

question 43

Multiple Choice

A study of peach trees found that the average number of peaches per tree was 1025. The standard deviation of the population is 35 peaches per tree. A scientist wishes to find the
99% confidence interval for the mean number of peaches per tree. How many trees does
She need to sample to obtain an average accurate to within 18 peaches per tree?

• A) 23
• B) 26
• C) 21
• D) 4

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Definitions:

Polyuria

The production of abnormally large volumes of dilute urine, which can be a symptom of various conditions, including diabetes insipidus and diabetes mellitus.

Uremia

A condition resulting from the advanced failure of the kidneys to eliminate waste products from the blood.

Specific Gravity

The ratio of the density of a substance to the density of a reference substance, usually water for liquids and solids, and air for gases.

Urochrome

A pigment that gives urine its yellow color, a byproduct of the breakdown of hemoglobin.