Scores on a dental anxiety scale range from 0 (no anxiety) to 20 (extreme anxiety). The scores are normally distributed with a mean of 11 and a standard deviation of 4. Find the z-score the given score on this dental anxiety scale. 3 Z3 = (Type an integer or a decimal.)

Q: Find the IQ Score.  IQ score  0.3446 Distributed with a mean of 100 and a standard deviation of 15.…

A: Given DataMean = 100Standard deviation = 15Probability of IQ score of adults = 0.3446

Q: n a set of score, the coefficient of variation (in percentage terms) = 50% and standard deviation =…

A: The coefficient of variation is the ratio of the standard deviation to the mean. It is a measure of…

Q: Find the indicated IQ score. The graph to the right depicts IQ scores of adults, and those scores…

A: Let X be IQ score  from normal distribution with mean (μ) = 100 and standard deviation (σ) = 15

Q: Use z scores to compare the given values.   The tallest living man at one time had a height of 249…

A: Given that: Population mean, μ=174.45 Population standard deviation, σ=6.75 Height of tallest man,…

Q: The mean score on a statistics test is 73.28 with a standard deviation of 7.86. You score a 70 on…

A: We have given that.   X~N( μ , ?^2 )   μ =7.86 , ? =73.28   Z-score =( x - μ )/?

Q: IQ scores are normally distributed with a mean of 100 and standard deviation 16. Calculate the…

A: The question is about normal dist. Given : Popl. mean of scores ( μ ) = 100 Popl. std. deviation of…

Q: Find the indicated IQ score. The graph to the right depicts IQ scores of adults, and those scores…

A: We have given that the scores are normally distributed with mean 100 and standard deviation 15.

Q: Use z scores to compare the given values.   The tallest living man at one time had a height of 258…

A: Let X be the tallest living man at one time had a height  Y be the shortest living man at that time…

Q: Scores on a test have a mean of 6 and a standard deviation of 9. Michelle has a score of 57. Convert…

A:

Q: Jason scores 380 on the Math SAT. (SAT scores have mean 500 and standard deviation 100.) Jason's…

A: Standard normal distribution:The standard normal distribution is a special case of normal…

Q: IQ test scores are normally distributed with a mean of 99 and a standard deviation of 11. An…

A: IQ test scores are normally distributed with a mean of 99 and a standard deviation of 11. An…

Q: A commonly used standardized test in psychology research is designed so that the mean score of all…

A: From the provided information, Mean (µ) = 140 Standard deviation (σ) = 20 X~N (140, 20) Here X be a…

Q: art professor gives an A to any student in the top 9% of the distribution. The grades are normally…

A: Given X~N(mean μ=60, standard deviations σ=5) P(X>b)=9%

Q: Use z scores to compare the given values.   The tallest living man at one time had a height of 245…

A:

Q: Sarah has taken two examinations in her statistics class. She scored 35 on the first exam, for which…

A: Given: x=34, μ=32 and σ=5.4.

Q: the mean is 146, and standard deviation is 35. A score of 181 is how many z-scores above the mean?

A:

Q: Explain what would happen if Person A scored lower than the mean of 70. Give an example exam score…

A: To compare the performance of Person A and Person B on their respective exams with their classmates,…

Q: Find the area of the shaded region. The graph to the right depicts IQ scores of​ adults, and those…

A: Given,mean(μ)=100standard deviation(σ)=15

Q: Use the graph to identify the values of mean and standard deviation

A: From the given graph we know that μ=530μ+σ=545    .....(1)μ-σ=515    ......(2)

Q: Let’s assume that weight is normally distributed with a mean of 160 and a standard deviation of 25…

A: Step-by-step procedure to obtain the middle 80% 0f all people lie between which two weights using…

Q: Scores of on a math test were normally distributed with a mean of 82 and a standard deviation of 6.…

A: The importance of standard normal curve lies in the fact that one has not to tabulate probability…

Q: Interpret the Z score for a student who scored an 91 on an exam that had a mean of 86 and a standard…

A:

Q: The mean is 146 and the standard deviation is 35. A score of 41 is how many z-scores below the mean?

A:

Q: Find the area of the shaded region. The graph to the right depicts IQ scores of adults and those…

A:

Q: Assume that a randomly selected subject is given a bone density test. Bone density test scores are…

A: Given that,The bone density test scores are normally distributed.The mean  is 0.The standard…

Q: Cereals sodium values have a mean of 167 and a standard deviation of 77.3. Find the z-score for the…

A:

Q: A study group takes a practice statistics exam. They find that the group has a mean score of 80 with…

A: Standard normal distribution:The standard normal distribution is a special case of normal…

Q: Use z scores to compare the given values.   The tallest living man at one time had a height of 239…

A: Suppose random variable x defines the height of a man.

Q: In a study 10 people were given a test. The mean test score was 78.9 points. The standard deviation…

A: Given: Sample size n = 10 Sample mean X = 78.9 Sample standard deviation s = 5.2 Formula Used: X =…

Q: z Scores LeBron James, one of the most successful basketball players of all time, has a height of 6…

A: According to the provided information,