If One Score Is Randomly Selected from a Normal Distribution

question 17

True/False

If one score is randomly selected from a normal distribution with µ = 100 and σ = 20,the probability of obtaining a score less than X = 95 is p = 0.4013.

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Definitions:

Tertiary Circular Reactions

A stage in Piaget's theory of cognitive development where infants experiment with new behaviors to see the outcomes, typically occurring between 12 and 18 months of age.

Preverbal Infants

Infants who are at the stage of development before they acquire the ability to use words or language.

Child-directed Speech

A modified way of speaking often used by adults when talking to infants and young children, characterized by higher pitch, slower tempo, and exaggerated intonation, intended to aid language acquisition.