Estimate the Indicated Probability by Using the Normal Distribution as an Approximation

question 96

Multiple Choice

Estimate the indicated probability by using the normal distribution as an approximation to the binomial distribution.
-Two percent of hair dryers produced in a certain plant are defective. Estimate the probability that of 10,000 randomly selected hair dryers, at least 219 are defective.

• A) 0.0869
• B) 0.0934
• C) 0.0823
• D) 0.9066

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Definitions:

Sporophyte Generation

The 2n, spore-producing stage in the life cycle of a plant. Compare with gametophyte generation.

Liverworts

A phylum of spore-producing, nonvascular, thallose or leafy plants with a life cycle similar to that of mosses.

Club Mosses

A phylum of seedless vascular plants with a life cycle similar to that of ferns.

Horsetails

Fern relatives with hollow, jointed stems, to which tiny leaves (reduced megaphylls) are attached in whorls.