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

question 130

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, exactly 225 are defective.

• A)0.0065
• B)0.0051
• C)0.0057
• D)0.0034

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Definitions:

Lifting Head

An early developmental milestone in infants, indicating neck and upper body strength, where the infant is able to lift and hold up their head independently.

Rolling Over

A developmental milestone where an infant learns to turn over from the back to the stomach or vice versa, usually occurring around 4 to 6 months of age.

Dynamic Systems Theory

A framework describing motor skills as resulting from ongoing interactions among physical, cognitive, and socioemotional influences and environmental supports; previously mastered skills are combined to provide more complex and effective ways of exploring and controlling the environment.

Skill Milestones

Describes significant developmental achievements in a person's life, marking progress in areas such as motor skills, language acquisition, and cognitive development.