If X, the Time (In Minutes)to Complete an Change Job $\le$

question 34

Multiple Choice

If x, the time (in minutes) to complete an change job at certain auto service station, is uniformly distributed over the interval 20 to 30, inclusively (20 $\le$ x $\le$ 30) , then the probability that an oil change job is completed in less than or equal to 22 minutes, i.e., P(x $\le$ 22) is __________________.

• A)0.200
• B)0.300
• C)0.000
• D)0.250
• E)1.000

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Definitions:

Gesell's Theory

A developmental theory by Arnold Gesell that suggests children develop in predictable sequences and rates from infancy to adolescence.

Environmental Influence

The effect that surroundings and external conditions have on individuals, including impacts on health, behavior, and well-being.

Developmental Patterns

The predictable sequence of growth and change that occurs throughout the human life cycle, including physical, cognitive, and social domains.

Erikson's Stages

A theory of psychosocial development that outlines eight stages from infancy to adulthood, each characterized by a specific conflict.