Question

Question 5 Test scores on a university admissions test are normally distributed, with a mean of...

Question 5 Test scores on a university admissions test are normally distributed, with a mean of 500 and a standard deviation of 100. 4 marks a. What is the probability that a randomly selected applicant scores between 425 and 575? 4 marks b. What is the probability that a randomly selected applicant scores 625 or more?

Homework Answers

Answer #1

Dear student,
I am waiting for your feedback. I have given my 100% to solve your queries. If you are satisfied by my given answer. Can you please like it☺
  
Thank You!!!

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
Suppose scores on an IQ test are normally distributed. If the test has a mean of...
Suppose scores on an IQ test are normally distributed. If the test has a mean of 100 and a standard deviation of 10. 1. What is the probability that a person who is randomly selected will score between 83 and 102? 2. What is the probability that a person who is randomly selected will score more than 119? 3. What IQ score corresponds to the 83rd percentile for all people?
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.
12. a) If scores on a certain medical test are normally distributed with mean 50 and...
12. a) If scores on a certain medical test are normally distributed with mean 50 and standard deviation 5, what score (or lower) would place a score in the bottom 10% of scores? b) If scores on a certain medical test are normally distributed with mean 50 and standard deviation 5, and if 30 of these medical test scores are selected at random and the average score is computed, what is the probability that this average score will be greater...
Recent test scores on the Law School Admission Test (LSAT) are normally distributed with a mean...
Recent test scores on the Law School Admission Test (LSAT) are normally distributed with a mean of 162.4 and a standard deviation of 15.9. What is the probability that the mean of 12 randomly selected scores is less than 161? 0.535 0.620 0.380 0.465
1. On a marhematics test in highschool, scores are normally distributed with a mean of 77...
1. On a marhematics test in highschool, scores are normally distributed with a mean of 77 and a standard deviation of 16.8. A student is randomly selected. find the probability that his/her score is smaller than 60? 2. Find the probability it is between 60 and 80.
For question 10, assume that adults have IQ scores that are normally distributed with a mean...
For question 10, assume that adults have IQ scores that are normally distributed with a mean of 100 and a standard deviation of 15. Find the probability that a randomly selected adult has an IQ of the following: 10. Find the area under the standard normal curve for the following: • Less than 115. • Greater than 131.5 • Between 90 and 110 • Between 110 and 120
1- Suppose scores on an test are normally distributed. If the test has a mean of...
1- Suppose scores on an test are normally distributed. If the test has a mean of 100 and a standard deviation of 10, what is the probability that a person who takes the test will score 120 or more 2- The average amount of weight gained by a person over the winter months is uniformly distributed from 0 to 30 lbs. Find the probability a person will gain between 10 and 15 lbs during the winter months.
Assume that adults have IQ scores that are normally distributed with a mean of 100 and...
Assume that adults have IQ scores that are normally distributed with a mean of 100 and a standard deviation of 15. Find the probability that a randomly selected adult has an IQ between 84 and 116.
4. SAT scores are normally distributed with mean 1500 and standard deviation 300.ROUND YOUR ANSWERS TO...
4. SAT scores are normally distributed with mean 1500 and standard deviation 300.ROUND YOUR ANSWERS TO 4 DECIMAL PLACES a. If 100 SAT scores are randomly selected, find the probability that they have a mean less than 1450.___________Q14 b. If 64 SAT scores are randomly selected, find the probability that they have a mean greater than 1510.___________Q15 c. If 25 SAT scores are randomly selected, find the probability that they have a mean between 1525 and 1535.___________Q16
LSAT test scores are normally distributed with a mean of 153 and a standard deviation of...
LSAT test scores are normally distributed with a mean of 153 and a standard deviation of 10. Find the probability that a randomly chosen test-taker will score between 133 and 173. (Round your answer to four decimal places.)