Multiple Choice
A distribution of 400 scores is approximately normally distributed. The mean of the distribution is 50 and the standard deviation is 10. What percentage of scores are less than a value of 30?
A) about 2.5%
B) about 16%
C) about 34%
D) about 50%
Correct Answer:
Verified
Correct Answer:
Verified
Related Questions
Q2: Which of the following represents the interpretation
Q3: Which of the following is indicative of
Q4: The population mean of a distribution that
Q5: Weights (in pounds and ounces) of newborns
Q6: What is the proportion of the area
Q8: What is the 80th percentile of a
Q9: After completion of a training program, scores
Q10: A distribution of a continuous variable is
Q11: A distribution has a mean of $25,000
Q12: A distribution is approximately normal with a