Question

Test scores are normally distributed with a mean of 500. Convert the given score to a...

Test scores are normally distributed with a mean of 500. Convert the given score to a z-score, using the given standard deviation. then find the percentage of students who score below 695 if the standard deviation is 130.

Homework Answers

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
Scores on an English test are normally distributed with a mean of 30.6 and a standard...
Scores on an English test are normally distributed with a mean of 30.6 and a standard deviation of 6. a) What percentage of students score below 33? b) Find the score that is at the 80th percentile.
A standardized​ exam's scores are normally distributed. In a recent​ year, the mean test score was...
A standardized​ exam's scores are normally distributed. In a recent​ year, the mean test score was 1540 and the standard deviation was 314. The test scores of four students selected at random are 1970​, 1290​, 2270​, and 1430. Find the​ z-scores that correspond to each value and determine whether any of the values are unusual.
9. Scores on the Graduate Management Association Test (GMAT) are normally distributed. The mean score for...
9. Scores on the Graduate Management Association Test (GMAT) are normally distributed. The mean score for 2007-2008 was 540, with a standard deviation of 100. A total of 10,000 people took the test. Find the number of people who scored between a 500 and 700. Find the number of people who scored greater than 720. 5. Find a z-score such that 33% of the area under the curve is to the left of z. 6. Find a z-score such that...
A standardized​ exam's scores are normally distributed. In a recent​ year, the mean test score was...
A standardized​ exam's scores are normally distributed. In a recent​ year, the mean test score was 1468 and the standard deviation was 314. The test scores of four students selected at random are 1890​, 1220​, 2180​, and 1360. Find the​ z-scores that correspond to each value and determine whether any of the values are unusual. The​ z-score for 1890 is __. ​ The​ z-score for 1220 is __. The​ z-score for 2180 is __. The​ z-score for 1360 is __....
A standardized​ exam's scores are normally distributed. In a recent​ year, the mean test score was...
A standardized​ exam's scores are normally distributed. In a recent​ year, the mean test score was 1461 and the standard deviation was 318. The test scores of four students selected at random are 1900, 1180, 2160, and 1360 Find the​ z-scores that correspond to each value and determine whether any of the values are unusual. Which​ values, if​ any, are​ unusual? Select the correct choice below​ and, if​ necessary, fill in the answer box within your choice.
The scores on a certain test are normally distributed with a mean score of 70 and...
The scores on a certain test are normally distributed with a mean score of 70 and a standard deviation of 3. What is the probability that a sample of 90 students will have a mean score of at least 70.3162?
7. A standardized​ exam's scores are normally distributed. In a recent​ year, the mean test score...
7. A standardized​ exam's scores are normally distributed. In a recent​ year, the mean test score was 21.4 and the standard deviation was 5.6. The test scores of four students selected at random are 13, 23, 9​, and 37. Find the​ z-scores that correspond to each value and determine whether any of the values are unusual. The​ z-score for 13 is __. ​(Round to two decimal places as​ needed.) The​ z-score for 23 is __. ​(Round to two decimal places...
A national placement test has scores that are normally distributed with a mean of 500 and...
A national placement test has scores that are normally distributed with a mean of 500 and a standard deviation of 100. a) A certain college requires a minimum score of 600. What percent of students would meet that criteria?             b) A different college will accept only the top 10%. What is the college’s cutoff score?
Suppose that scores of the entrance test of UMAC are normally distributed with mean 500 and...
Suppose that scores of the entrance test of UMAC are normally distributed with mean 500 and standard deviation 100. A class of 25 candidates, was invigilated by me last weekend for the entrance of UMAC 2021. Suppose that candidates in my class are randomly assigned, find the probability that the average score of that class will be no more than 535.
a standard exam’s score are normally distributed. in recent yearthe mean test score was 21.2 and...
a standard exam’s score are normally distributed. in recent yearthe mean test score was 21.2 and the standard deviation was 5.4 . the test score of four students selected at random are 15, 23, 9, 34. find the z score that correspond to each value and determine whether any of the values are unusual. the z score for 15 is ?
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT