For a standardized psychology examination intended for psychology majors, the historical data show that scores have a mean of and a standard deviation of . The grading process of this year's exam has just begun. The average score of the exams graded so far is . What is the probability that a sample of exams will have a mean score of or more if the exam scores follow the same distribution as in the past

cheater

step-by-step explanation:

x=6 and x=3

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answer: bea's uncle is 25 years old.

step-by-step explanation:

given the equation , we can say that the variable "x" represents the age of bea's uncle. then to find his age, we need to solve for "x":

we must add 15 to both sides of the equation:

now we need to divide both sides of the equation by 3:

therefore, we can conclude that bea's uncle is 25 years old.