A Researcher Wants to Know the Probability of Selecting a Student

question 46

Multiple Choice

A researcher wants to know the probability of selecting a student athlete from a school population where 5% of students are athletes.If the researcher selects a sample of 120 students,is it appropriate to use the normal approximation of the binomial distribution to estimate this probability?

• A) Yes, because the sample size is large.
• B) Yes, because nq is greater than 10.
• C) No, because np is greater than 10.
• D) No, because np is less than 10.

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Definitions:

Flowering Plants

Plants belonging to the group Angiosperms, characterized by bearing flowers and producing seeds enclosed within a carpel.

Stamens and Carpels

Stamens are the male reproductive parts, and carpels are the female reproductive parts of a flower, both crucial for the plant's reproductive process.

Petals

The often brightly colored parts of a flower, typically serving to attract pollinators such as insects or birds.

Plumule

The part of a seed embryo that develops into the shoot bearing the first true leaves of a plant.