Scores on a certain exam are normally distributed with a mean of 78 and a variance of 25. What is the score obtained by the top 5% of the students? I do not understand the 5% part. What does the tail look like on the bell-shaped graph?
Simplify (factor if necessary) : 5 x^2 y^2 - 25 x^3 y^3 -------------------------------- x^2 y^2 Please help! Don't understand
A hypothetical example is: A. A false example B. not real but can happen C. an example to prove a hypothesis d. has no place ina speech
heiarchy chart needed out of this information pls
VELMA'S VET Velma and her husband Victor run a full service veterinary clinic. They would like a program to help them calculate costs for their clients. Victor, who is the vet, charges a flat fee of $100 for medical services and a flat fee of $50 for shots. Velma does the ...
You throw a ball upward from a window at a speed of 1.7 m/s. How fast will it be moving when it hits the sidewalk 2.5 m below?
How far does a plane fly in 13 s while its velocity is changing from 142 m/s to 75 m/s at a uniform rate of acceleration?
You throw a ball downward from a window at a speed of 2.7 m/s. How fast will it be moving when it hits the sidewalk 2.8 m below?
in the problem 15 + 37=52, show how to make ONE addend the next tens number. Complete the new addition sentence __+__=__????
7th grade Math
Please, help me how to solve this problem 21% of 82 how do you use a fraction to estimate the percent of each number? Thank you