Scores on a recent Stat test were normally distributed with mean 77.26 and standard deviation 8.38....
Scores on a recent Stat test were normally distributed with mean 77.26 and standard deviation 8.38. What was the lowest score a student could earn and still be in the top 10%? (Round your answer to the nearest integer.)
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Scores on a recent Stat test were normally distributed with mean
77.26 and standard deviation 8.38....
3. (4 points) The scores on a test are normally distributed with a mean of 75...
3. (4 points) The scores on a test are normally distributed with a mean of 75 and a standard deviation of 8. a) Find the proportion of students having scores greater than 85. b) If the bottom 3% of students will fail the course, what is the lowest score that a student can have and still be awarded a passing grade? Please round up to the nearest integer.
In a recent year, the total scores for a certain standardized test were normally distributed, with a mean of 500 and a standard deviation of 10.4
In a recent year, the total scores for a certain standardized test were normally distributed, with a mean of 500 and a standard deviation of 10.4. Find the probability that a randomly selected medical student who took the test had a total score that was more than 530. The probability that a randomly selected medical student who took the test had a total score that was more than 530 is _______
In a recent year, the total scores for a certain standardized test were normally distributed, with a mean of 500 and a standard deviation of 10.6
In a recent year, the total scores for a certain standardized test were normally distributed, with a mean of 500 and a standard deviation of 10.6. Find the probability that a randomly selected medical student who took the test had a total score that was more than 529. The probability that a randomly selected medical student who took the test had a total score that was more than 529 is _______
In a recent year, the total scores for a certain standardized test were normally distributed, with a mean of 500 and a standard deviation of 10.5
In a recent year, the total scores for a certain standardized test were normally distributed, with a mean of 500 and a standard deviation of 10.5. Answer parts (a)-(d) below. (a) Find the probability that a randomly selected medical student who took the test had a total score that was less than 490. (Round to four decimal places as needed.) The probability that a randomly selected medical student who took the test had a total score that was less than 490 is 0.1704 (b)...
Scores on a test are normally distributed with a mean of 65 and a standard deviation...
Scores on a test are normally distributed with a mean of 65 and a standard deviation of 10. Find the score to the nearest whole number which separates the bottom 81% from the top 19%. A. 88 B. 68 C. 56 D 74
Scores on a certain test were normally distributed with a mean of 80 and a standard...
Scores on a certain test were normally distributed with a mean of 80 and a standard deviation of ± 12. What is the probability that a given student got a score more than 80? Your answer should be correct to four decimal places.
Scores on a recent national statistics exam were normally distributed with a mean of 88 and...
Scores on a recent national statistics exam were normally distributed with a mean of 88 and a standard deviation of 2. 1. What is the probability that a randomly selected exam will have a score of at least 85? 2. What percentage of exams will have scores between 89 and 92? 3. If the top 5% of test scores receive merit awards, what is the lowest score eligible for an award? I do not understand how to compute probability.
if statistics test scores were normally distributed with a mean of 81 and a standard deviation...
if statistics test scores were normally distributed with a mean of 81 and a standard deviation of 4, a) what is the probability that a randomly selected student scored less than 70? b) what percentage of students had a B on the exam? c) the top 10% of the class had what grades?
7. Scores on a recent national Mathematics exam were normally distributed with a mean of 82...
7. Scores on a recent national Mathematics exam were normally distributed with a mean of 82 and a standard deviation of 7. A. What is the probability that a randomly selected exam score is less than 70 B. What is the probability that a randomly selected exam score is greater than 90? C. If the top 2.5% of test scores receive Merit awards, what is the lowest score necessary to receive a merit award?
In a recent year, the total scores for a certain standardized test were normally distributed, with...
In a recent year, the total scores for a certain standardized test were normally distributed, with a mean of 500 and a standard deviation of 10.6. Answer parts (a)dash(d) below. (a) Find the probability that a randomly selected medical student who took the test had a total score that was less than 488. The probability that a randomly selected medical student who took the test had a total score that was less than 488 is ?. (Round to four decimal...
3. (4 points) The scores on a test are normally distributed with a mean of 75 and a standard deviation of 8. a) Find the proportion of students having scores greater than 85. b) If the bottom 3% of students will fail the course, what is the lowest score that a student can have and still be awarded a passing grade? Please round up to the nearest integer.
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