A Very Large Gardening Business Grows Rose Bushes for Sale

question 30

Multiple Choice

A very large gardening business grows rose bushes for sale to garden stores around the world. The most popular colors are red, pink, and white. The business decides on 50% red roses, 30% pink, and 20% white. A gardener orders 10 rose bushes selected randomly from a huge field. Her primary interest is in pink roses. Assuming rose bushes are selected independently, the number of pink rose bushes can be modeled by a binomial distribution. The probability of getting 1 pink rose bush is:

• A)p = 0.5.
• B)p = 0.8.
• C)p = 0.3.
• D)p = 0.2.

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Definitions:

Stereotaxic Instrument

A precise tool used in neuroscience and surgery for positioning electrodes or other devices within the brain of an animal or human.

Implantation of Electrodes

The surgical insertion of electrodes into specific areas of the body or brain for the purpose of recording or stimulating electrical activity.

Tachistoscope

An apparatus used in psychological and vision research to present visual stimuli for very brief periods of time, often to study perception, memory, or reading.

Electroencephalograph

A device that measures and records the electrical activity of the brain, commonly known as an EEG.