Ashley Is Just Starting to Show Signs of Understanding the Meanings

question 113

Multiple Choice

Ashley is just starting to show signs of understanding the meanings of familiar words.Based on research that has investigated milestones in language development,you should expect that Ashley is approximately

• A) 6 weeks old.
• B) 3 months old.
• C) 8 months old.
• D) 14 months old.

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Definitions:

Binomial Distribution

A statistical distribution representing the number of successes in a fixed number of independent trials, with each trial having the same probability of success.

P(X > 1)

The probability that a random variable X takes on a value greater than 1.

Speed Limit

A legally established maximum speed at which vehicles may travel on a particular roadway.

P(3 ≤ X ≤ 6)

Represents the probability that the random variable X takes on a value between 3 and 6, inclusive.