Ask Question
MathematicsMathematics
30 July, 20:18

the grades recieved by 300students follow a normal distribution. the mean of the grades is 75% and the standard deviation is 8%. A. how many students recieved a grade greater than 75%? B. how many students recieved a grade higher than 91%?

+5
Answers (1)
  1. 30 July, 21:38
    0
    Correct answers ended up being 6.7% for an A. 100 - 93.32 = 6.68 round one place 6.7 %

    For B it's 93.32 - 69.1463 = 24.17 round one place so 24.2%
Know the Answer?
Not Sure About the Answer?
Find an answer to your question ✅ “the grades recieved by 300students follow a normal distribution. the mean of the grades is 75% and the standard deviation is 8%. A. how ...” in 📘 Mathematics if you're in doubt about the correctness of the answers or there's no answer, then try to use the smart search and find answers to the similar questions.
Search for Other Answers
You Might be Interested in
In 2009, Simon took a cruise on a cruise ship that had a length of 361.6 meters. On his trip, he learned that this cruise ship was the longest passenger ship at the time.
Answers (1)
a triangle has one leg of 18 inches for the triangle to be a right triangle what is the length of the hypotenuse
No Answers
three students ordered wings that cost $21 and french fries for 6$. If they split the bill equally how much did each student pay
Answers (2)
The price of a set of headphones that regularly sells for $99 increases by 30% a. What is the sum 100% + 30%? how can you use that sum to write an expression for the new price?
Answers (1)
A rental company charges $15 plus $4 per hour to rent a bicycle. if margie does not want to spend more than $27 for her rental, write and solve an inequality to find how many hours she can rent the bicycle and not spend more than $27.
Answers (1)
New Questions in Mathematics
Use the distributive property to solve 3,894 x6 = ?
Answers (1)
How do I solve 4^x=19?
Answers (1)
A coffee stand sells cups of coffee for $6 and cups of tea for $3. Tuesday, a total of 75 cups were sold, and the total money collected was $312. How many cups of coffee and how many cups of tea were sold?
Answers (1)
Charles earns an annual salary of $61,870. If he is paid weekly, much would his pay be each week?
Answers (1)
Social health can be defined as one's ability to argue with others. True or false
Answers (1)
Home » Mathematics » the grades recieved by 300students follow a normal distribution. the mean of the grades is 75% and the standard deviation is 8%. A. how many students recieved a grade greater than 75%? B. how many students recieved a grade higher than 91%?
Sign Up Forgot Password?